Mr. Dreyer's Algebra 2 Level 1 class at Lexington High School
News
Misc
- Amazing time-lapse video of our Milky Way rising
- Exponential graphing playground
- Graph paper to print
- GeoGebra
- Welcome/expectations letter
- Calculator information
- Linear systems toy
Assignments, lesson, classwork
- Fri 2009-06-19 11:00
- Math final exam
- A block: room 169 (proctor: Dorfmann); G block: room 166 (proctor: DiMartino)
- Review: Outline, 1: functions, 5: applications (word problems), 2: solving, 3: graphing, 4: simplifying
- Math dept exam archive
- Math final exam
- Thu 2009-06-18
- A block: ???
- G block: Review 4: simplifying
- Wed 2009-06-17
- A block: Review 4: simplifying
- Tue 2009-06-16
- Mon 2009-06-15
- Fri 2009-06-12
- Final exam outline
- G block: Review 1: functions (do the odd-lettered problems at least), Review 5: applications (word problems) (do the odd-numbered problems at least)
- Thu 2009-06-11
- Final exam outline
- A block: Review 1: functions (do the odd-lettered problems at least), Review 5: applications (word problems) (do the odd-numbered problems at least)
- G block: 12.5 Probability: Independent and dependent events. Read Sec 12.5 (p. 730-733 with Examples 1, 2, 4-8). Problems: p. 2, 3-11 odd, 18, 20, 21, 22, 25, 27, 28. (Answers given; make sure you show work!)
- Wed 2009-06-10
- A block: 12.5 Probability: Independent and dependent events. Read Sec 12.5 (p. 730-733 with Examples 1, 2, 4-8). Problems: p. 2, 3-11 odd, 18, 20, 21, 22, 25, 27, 28. (Answers given; make sure you show work!)
- Tue 2009-06-09
- 12.4 Probability: Compound events. Read Sec 12.4 (p. 724-726). Problems: p. 727 2, 3-27 odd, 44, 47.
- Mon 2009-06-08
- Test: logs and exponentials (calculator portion)
- Classwork/homework: 12.3 Probability: Read p.716-717 and examples 1 and 3. Problems (p.719ff): 2, 4-7, 11, 13-23 odd
- Thu 2009-06-04
- Test: logs and exponentials
- Wed 2009-06-03
- A block: More Logarithm/exponential review.
- Tue 2009-06-02
- More work on yesterday's handout.
- Mon 2009-06-01
- Logarithm/exponential review. homework
- Logarithm study guide
- Exponential study guide
- Fri 2009-05-29
- Equations with logs on both sides. homework
- Thu 2009-05-28
- Log word problems. homework
- Wed 2009-05-27
- A block: Change of base: homework
- Tue 2009-05-26
- Updated log study guide
- Other logarithm properties: homework
- Memorial Day weekend
- Fri 2009-05-22
- G block: Change of base: Updated log study guide, homework
- Thu 2009-05-21
- More intro to logarithms: homework
- Wed 2009-05-20: MCAS
- Tue 2009-05-19
- Mon 2009-05-18
- Quiz on exponential functions
- study guide
- Fri 2009-05-15
- G block: Review: exp equations, graphing
- Thu 2009-05-14
- A block: Review: exp equations, graphing
- G block: Book section 8.2. Read (pp. 474ff). Do Examples problems and problems: 1-3, 7, 9, 10, 16, 17, 20, 21, 35, 41, 45, 53-55.
- Wed 2009-05-13
- A block: Book section 8.2. Read (pp. 474ff). Do Examples problems and problems: 1-3, 7, 9, 10, 16, 17, 20, 21, 35, 41, 45, 53-55.
- Tue 2009-05-12
- Book section 8.1. Read (pp. 465ff but skip compound interest). Do Examples 1-3. Problems: 1-3, 9, 11, 21, 23, 35, 41, 46-48
- Mon 2009-05-11
- Fri 2009-05-08
- G block: Growth and decay
- Thu 2009-05-07
- Wed 2009-05-06
- A block: Growth and decay
- Tue 2009-05-05
- Exponential functions
- Mon 2009-05-04
- Quiz on exponents & radicals, round 2 (Not Thursday/Friday as originally announced)
- revised study guide
- Also look at last week's homework and review materials from the 4-16/4-17 quiz
- Fri 2009-05-01
- Review: G block: Exponents, Fractions, factoring, and Solving radicals. Do at least half the problems in each worksheet.
- Thu 2009-04-30
- Review: A block: Exponents, Fractions, factoring, and Solving radicals. Do at least half the problems in each worksheet.
- Review: G block: Review for quiz exponents, fractions, and factoring
- Wed 2009-04-29
- Review: A block: Review for quiz exponents, fractions, and factoring
- Tue 2009-04-28
- Review: nth roots and rational exponents. Read Sec 7.2 including examples 1-7 (pp 407ff). Problems: 2-20, 23-33 odd, 35, 39, 51, 57, 59, 63, 67, 69, 75, 77, 79, optional: 94, 95 (or any other problems of course)
- Mon 2009-04-27
- Exponents review: nth roots and rational exponents. Read Sec 7.1 including examples 1-4 (pp 401ff). Problems: 1-11, 15, 17, 19, 21, 25, 27, 33, 35, 39
- Mon 2009-04-20 - Fri 04-24: April vacation
- Fri 2009-04-17
- G block: Quiz on exponents
- study guide
- Also look at worksheets since 4/3, especially exponent quiz review
- G block: Quiz on exponents
- Thu 2009-04-16
- A block: Quiz on exponents
- study guide
- Also look at worksheets since 4/3, especially exponent quiz review
- G block: exponent quiz review
- A block: Quiz on exponents
- Wed 2009-04-15
- A block: exponent quiz review
- Tue 2009-04-14
- Mon 2009-04-13
- Thu 2009-04-09
- A, G block: Solving equations with exponents
- G block: Return to exponents
- Wed 2009-04-08
- A block: Return to exponents
- Tue 2009-04-07
- Mon 2009-04-06
- Inverses quiz
- A block: Exponents review
- Fri 2009-04-03
- G block: Exponents review
- Thu 2009-04-02
- Tue 2009-03-31
- Inverses review: Core Plus Unit 8 Inv 2 p.543ff. Reread starting at p.543; do problems 6-8, "Summarize the Mathematics" and "Check your understanding".
- Mon 2009-03-30
- A block and G block: Cumulative test
- Fri 2009-03-27
- G block: Cumulative test review
- Thu 2009-03-26
- Wed 2009-03-25
- A block: Cumulative test postponed until Monday!
- A block: Cumulative review: word problems
- Tue 2009-03-24
- Mon 2009-03-23
- Quiz on inverses (postponed until...)
- Cumulative review: graphing
- Fri 2009-03-20
- See Core Plus stuff for inverse grapher
- G block: Classwork: Core plus Investigation 2, inverse functions, probs 5-8 (p.546ff). Homework (p.550ff): 7, 19, 21, 22
- Thu 2009-03-19
- See Core Plus stuff for inverse grapher
- A block: Inverses review
- Thu 2009-03-19
- Wed 2009-03-18
- See Core Plus stuff for inverse grapher
- A block: Classwork: Core plus Investigation 2, inverse functions, probs 5-8 (p.546ff). Homework (p.550ff): 7, 19, 21, 22
- Tue 2009-03-17
- Classwork: Core plus Investigation 2, inverse functions, probs 1-4 (p.543ff). Homework (p.550ff): 6, 11, 14, 19
- Mon 2009-03-16
- Inverse functions: Core Plus. Classwork: Inv. 1, p. 539ff. Probs 1-6. Homework: "On Your Own" p. 549ff 1-5.
- Fri 2009-03-13
- G block: Test 2 on polynomials
- Thu 2009-03-12
- A block: Test 2 on polynomials
- Wed 2009-03-11
- Another review day
- Tue 2009-03-10
- Test on polynomials
- Ready for prime time: Polynomial study guide
- Mon 2009-03-09
- Fri 2009-03-06
- G block: Polynomials review 2
- Thu 2009-03-05: Professional development: half day
- Wed 2009-03-04
- A block: Polynomials review 2
- Tue 2009-03-03
- Mon 2009-03-02: snow day
- Fri 2009-02-27
- G block: More fundamental theorem of algebra. Reread Sec 6.7 (p. 366ff), skimming parts referring to "synthetic division" and "rational zeros," which we will not cover. Problems: 1-6, 9, 11, 13, 15, 17, 23, 27, 35, 41, 47, 55
- Thu 2009-02-26
- A block: More fundamental theorem of algebra. Problems (p.369ff): 19, 37, 39, 43, 49, 51, 56
- A block: Overhead presentation on fundamental theorem etc
- G block: Fundamental theorem of algebra. Read Sec 6.7 (p. 366ff), skimming parts referring to "synthetic division" and "rational zeros," which we will not cover. Problems: 1-6, 9, 11, 13, 15, 17, 23, 27, 35, 41, 47, 55
- Wed 2009-02-25
- A block: More fundamental theorem of algebra. More time for Tuesday's homework
- Tue 2009-02-24
- A block: Fundamental theorem of algebra. Read Sec 6.7 (p. 366ff), skimming parts referring to "synthetic division" and "rational zeros," which we will not cover. Problems: 1-6, 9, 11, 13, 15, 17, 23, 27, 35, 41, 47, 55
- G block: Remainder & Factor theorems: Reread Sec 6.5 (p.352ff), skimming the synthetic division stuff. Homework (p. 356ff): 15, 19, 25, 41, 45, 49, 53, 55, 63
- Mon 2009-02-23
- Classwork: Remainder/Factor Theorem worksheet
- A block: Remainder & Factor theorems: Reread Sec 6.4 (p.352ff), skimming the synthetic division stuff. Homework (p. 356ff): 15, 19, 25, 41, 45, 49, 53, 55, 63
- G block: Remainder & Factor theorems: Read Sec 6.4 (p.352ff), skimming the synthetic division stuff. Homework (p. 356ff): 1, 5, 7, 13, 23, 39, 43, 47, 51, 61
- Winter break!
- Fri 2009-02-13: Graphing lab
- Thu 2009-02-12
- A block: Remainder & Factor theorems: Read Sec 6.4 (p.352ff), skimming the synthetic division stuff. Homework (p. 356ff): 1, 5, 7, 13, 23, 39, 43, 47, 51, 61
- G block: Polynomial factoring: Read Sec. 6.4. (p. 345ff) but just skim the parts about sum and difference of cubes. Problems (p.348ff): 1, 2a, 2c, 7, 8, 10, 13, 17, 25, 41, 45, 53, 59, 61, 75, 87
- Wed 2009-02-11
- A block: Polynomial factoring: Read Sec. 6.4. (p. 345ff) but just skim the parts about sum and difference of cubes. Problems (p.348ff): 1, 2a, 2c, 7, 8, 10, 13, 17, 25, 41, 45, 53, 59, 61, 75, 87
- Tue 2009-02-10
- Mon 2009-02-09
- Homework: Read Sec. 6.3 (p. 338-340). Problems: 1-3, 12, 15, 19, 23, 27, 33, 39, 43, 45, 49, 66
- Fri 2009-02-06
- G block: Polynomial intro quiz (covers 1/23 - present)
- Short study guide for the quiz
- Good overview of polynomial graphing
- Table from "more graphing" worksheet, filled out
- Thu 2009-02-05
- A block: Polynomial intro quiz (covers 1/23 - present)
- Short study guide for the quiz
- Good overview of polynomial graphing
- Table from "more graphing" worksheet, filled out
- G block: review for quiz. homework
- Wed 2009-02-04
- A block: review for quiz. homework
- Tue 2009-02-03
- Mon 2009-02-02
- A block: Review Polynomials: more graphing, new homework: Polynomial end behavior
- G block: Another chance to finish Polynomials: more graphing and Polynomial end behavior
- Good overview of polynomial graphing
- Fri 2009-01-30
- G block: Polynomial end behavior
- Thu 2009-01-29
- Wed 2009-01-28: snow day
- Tue 2009-01-27
- Polynomials: Intro to graphing
- Mon 2009-01-26
- Polynomials: grouping/quadratic forms
- Lesson
- Fri 2009-01-23
- G block: Polynomials: Intro/simplifying/factoring
- Thu 2009-01-22
- A block: ??
- G block: Test on quadratics
- Study guide
- Wed 2009-01-21
- A block: Polynomials: Intro/simplifying/factoring
- Tue 2009-01-20
- A block: Test on quadratics
- Study guide
- Fri 2009-01-16
- G block: Review: finish completing the square; quadratic formula. Homework: P. 295-297: 18, 20, 24, 28, 34, 38, 42, 46, 48, 56, 58, 78
- Thu 2009-01-15
- A block: Review: finish completing the square; quadratic formula. Homework: P. 295-297: 18, 20, 24, 28, 34, 38, 42, 46, 48, 56, 58, 78
- G block: Review: complex & completing the square. Worksheet.
- Start rereading the chapter, actively, especially working sample problems
- Wed 2009-01-14
- A block: Review: complex & completing the square. Worksheet.
- Start rereading the chapter, actively, especially working sample problems
- Tue 2009-01-13
- Mon 2009-01-12
- Review worksheet on vertex form: all odd problems
- Factoring review: all odd problems
- 2009-01-09
- Thu 2009-01-08
- Quadratic formula: Homework: Reread Sec 5.6 (p. 291-294). Problems (p. 295-298): 19, 23, 27, 31, 35, 39, 43, 49, 69, 71, 74, 79
- Wed 2009-01-07: snow day
- Tue 2009-01-06
- Quadratic formula: Homework: read Sec 5.6 (p. 291-294). Problems (p. 295-298): 1-16, 17, 21, 25, 29, 33, 37, 41, 45, 47, 50, 57, 59, 61, 63, 65, 66, 67
- Winter vacation
- Tue 2008-12-15
- A block:
- G block: Completing the square. Reread chap 5.5. Problems: 24, 34, 44, 48, 54, 58, 74, 80, 91, 93, 95, 99, 100, 101, 105, 107, 111, 115
- Mon 2008-12-14
- A block: Completing the square. Reread chap 5.5. Problems: 24, 34, 44, 48, 54, 58, 74, 80, 91, 93, 95, 99, 100, 101, 105, 107, 111, 115
- G block: Completing the square. Read chap 5.5. Problems: 1-22, 23, 27, 31, 33, 39, 43, 47, 49, 51, 55, 57, 59, 63, 65, 71, 85, 87.
- Lesson on completing the square (PDF)
- Fri 2008-12-11: Snow half day
- Thu 2008-12-10
- Wed 2008-12-10
- Tue 2008-12-16
- Cumulative test
- Test will cover the whole year up to, but not including, quadratics, or everything up to 2008-11-24. The three review sheets will give you a good idea of the kinds of things that will be on the test. Reviewing and redoing prior assignments can be a big help, especially for topics you are uncomfortable with.
- Mon 2008-12-15
- Cumulative test review day 3. Homework
- Fri 2008-12-12
- G block: Cumulative test review day 2. Homework
- Thu 2008-12-11
- Wed 2008-12-10
- A block: Cumulative test review day 1. Homework
- Tue 2008-12-09
- Complex numbers: Read chap 5.4 (p.272-276; skim Mandelbrot stuff). Problems: 1-16, 17-27 odd, 29, 35, 37, 41, 45-63 odd, 65, 71
- Mon 2008-12-08
- Square roots: Read chap 5.3 (p. 264-266). Problems (267-269) 1-18, 19, 23, 27, 31, 34, 35, 39, 43, 46, 47, 51-67 odd, 71, 73, 87, 91
- Fri 2008-12-05
- G block: Problems (p. 260-262): 25, 29, 37, 41, 45, 51, 53, 56, 61, 69, 79, 83, 85, 92, 94, 100, 101
- Thu 2008-12-04
- A block: Problems (p. 260-262): 25, 29, 37, 41, 45, 51, 53, 56, 61, 69, 79, 83, 85, 92, 94, 100, 101
- G block: Read Sec 5.2 (p.256-266), Solving quadratic equations by factoring. Problems (p. 260-261): 1, 3-22, 23, 27, 31, 33, 35, 39, 43, 47, 49, 55, 57, 59, 63, 65, 67, 71, 89, 91
- Wed 2008-12-03
- A block: Read Sec 5.2 (p.256-266), Solving quadratic equations by factoring. Problems (p. 260-261): 1, 3-22, 23, 27, 31, 33, 35, 39, 43, 47, 49, 55, 57, 59, 63, 65, 67, 71, 89, 91
- Tue 2008-12-02
- Homework: Reread Sec 5.1 (p.248-252). Problems: 20, 24, 28, 30, 32, 36, 38-48 even, 51, 54, 56
- Play with Graphing quadratics to understand standard, vertex, intercept forms
- Play with algebra tiles to understand distributive law, FOIL
- Homework: Read Sec 5.1 (p.248-252). Problems: 1-19 all, 21-49 odd
- Play with Graphing quadratics to understand standard, vertex, intercept forms
- Play with algebra tiles to understand distributive law, FOIL
- A block: Linear transformations
- Quiz: matrices (Sec 4.1-4.4)
- Review matrices for quiz. Homework: Read review sheet. Read chapter summary (p. 239), chapter review, sections 4.1-4.4 (p.240-242). Problems: p.240-242 1-6, 11-15, 19, 20, 22-27.
- A block: Matrix identity, determinant, inverse. Read Sec 4.4 (p. 223-226). Just skim the encode/decode stuff. Problems (p.227) 1-11, 13-25 odd
- Matrix multiplication. Read Sec 4.2 (p. 208-210). Problems (p.211-213) 1-10, 17, 21, 25, 27, 31, 35, 36, 44
- G block: Test on Chapter 3: Systems of linear equations/inequalities
- Review materials: Sections 3.1-3.3, 3.5
- A block: Test on Chapter 3: Systems of linear equations/inequalities
- Review materials: Sections 3.1-3.3, 3.5
- G block: chapter test probs 1-12, 15-21 odd
- A block: chapter test probs 1-12, 15-21 odd
- Read and do all problems in Sections 3.1-3.3, 3.5 of Chapter review, p. 186-188
- G block: also do chapter test probs 1-12, 15-21 odd
- G block: Read section 3.5 Graphing linear equations in three variables, p. 170-172. Problems (p. 173-175): 1-6, 7, 11, 13, 15, 19, 25, 29, 33, 37, 39, 43, 46, 52.
- A block: Read section 3.5 Graphing linear equations in three variables, p. 170-172. Problems (p. 173-175): 1-6, 7, 11, 13, 15, 19, 25, 29, 33, 37, 39, 43, 46, 52.
- G block: Read section 3.3, Graphing and solving systems of linear inequalities, p.156-158. Problems (p.159-162): 1,4,11,13,17,21,25,31,43,47,58,59,65 (optional).
- A block: Read section 3.3 (p.156-158). Problems (p.159-162): 1,4,11,13,17,21,25,31,43,47,58,59,65 (optional).
- Solving linear systems again. Homework: Worksheet probs #1a, 2, 3, 5, 7, 9 Linear systems toy.
- Solving linear systems algebraically. Homework: Read section 3.2, p.148-151. Problems: p.152-153 1-50 odd. Linear systems toy. lesson ( pdf).
- (G block) Test on the linear unit.
- (A and G block) Homework due for Mon:
- Function test review. homework: finish Test review (new and improved); (You can skip number 15.)
- Retake the Chapter Test on p. 133 (counts as homework).
- Play with the algebra toys on the toys page. Answer all questions in the algebra section.
- Read Chap 3 intro and section 3.1, p.138-141. Problems: p.142-145 1-10, 11-19 odd, 21, 24, 27, 31, 32-40, 41, 43, 45, 49, 53, 56, 57, 60-62, 65
- (A block) Homework (Due Mon): Read Chap 3 intro and section 3.1, p.138-141. Problems: p.142-145 1-10, 11-19 odd, 21, 24, 27, 31, 32-40, 41, 43, 45, 49, 53, 56, 57, 60-62, 65
- (A block) Experiment with this systems graphing toy
- (G block) Review
- (A block) Test on the linear unit.
- Homework (A block: due Thu; G block: due Wed): Read Chap 3 intro and section 3.1, p.138-141. Problems: p.142-145 1-10, 11-19 odd, 21, 24, 27, 31, 32-40, 41, 43, 45, 49, 53, 56, 57, 60-62, 65
- Experiment with this systems graphing toy
- More review
- G block: More linear test review: Reread the Chapter 2 chapter review, p. 130-132.
- G block: Retake the Chapter Test on p. 133 (counts as homework).
- G block: Play with the algebra toys on the toys page. Answer all questions in the algebra section.
- Try the absolute value toy on the toys page to see a graph of y = a |x−h| + k. Play with the sliders to change a, h, and k. For example, when a=−2, h=3, and k=4, what is the slope of the right "piece" of the function? What is the vertex?
- A block: More linear test review: Reread the Chapter 2 chapter review, p. 130-132.
- A block: Retake the Chapter Test on p. 133 (counts as homework).
- G block: Function test review. homework: finish Test review (new and improved); due Fri (You can skip number 15.)
- Function test review. A block homework: finish Test review (new and improved); due Thu (You can skip number 15.)
- Function test review. Homework: Test review (new and improved); due Thu (A block), Fri (G block) (You can skip number 15.)
- Homework: Read Section 2.5 (Correlation and best-fitting lines). Problems: p. 103-106: 1-12, 13, 14*, 17, 19, 21*, 23*, 24*, 25*, 31, 33, 35, 42. (Starred problems should be done on the calculator.)
- Linear Regression on the calculator handout
- G block: Review absolute value: handout and page 125 #12-23, 34-39, 40-41, 46
- A block: Review absolute value: handout and page 125 #12-23, 34-39, 40-41, 46
- Review test for retake. Final score will be average of old score and new score, unless the new score is lower, in which case I will use the old score.
- G block: Review packet: point/slope
- A block: Review packet: point/slope
- Quiz!
- Lesson/Homework: Review review (PDF)
- Get ready for a quiz in the early part of next week.
- G block: Review 4
- A block: Review 4
- G block: Review 3
- Test: Functions, linear functions, equations, inequalities
- Homework: Read Chap 3 study guide and sec 3.1 (p.138-141). Problems 1-10, 11-51 odd.
- Test coming Thursday Sept 25!
- Homework: Reread chapter review (p. 130-132, except for 2.5). Go over any content you are not comfortable with. Do the chapter standardized test on p.134-135. (will count as homework, not as a test).
- Lesson: Another Chap 2 Review ( PDF)
- Homework: Read chapter review (p. 130-132, except for 2.5). Go over any content you are not comfortable with. Do the chapter test on p.133, problems 1-26. (will count as homework, not as a test).
- Lesson: Chap 2 Review ( PDF)
- G block Lesson: Piecewise Functions (PDF)
- G block homework: Read Chap 2.7 (p. 114-116). Problems (p. 117-119): 1-39 odd, 50-53, 56-57
- Classwork/homework: Graphing calculator basics and Graphing calculator graphing
- A block Lesson: Piecewise Functions (PDF)
- A block homework: Read Chap 2.7 (p. 114-116). Problems (p. 117-119): 1-39 odd, 50-53, 56-57
- Lesson: inequalities
- Homework: Read Chapter 2.6 (p. 108-110). Problems: 1-35 odd, 37, 39, 43, 45, 50-55, 57, 65, 71, 73,
- Homework: Read sec. 2.8 (p.122-124). Problems (p.125-127): 1-63 odd.
- Lesson: Equations of lines (PDF )
- Homework: Read Chap 2.4 (p. 92-94). Problems (p. 95-98): 1-12, 13-57 odd, 59, 62, 66, 69, 70, 75, 79, 83, 89, 91
- Homework: Do each pretest problem you got wrong; show your work.
- A Block Lesson (PDF )
- A Block homework: Read Section 2.3, p. 82-85. Problems: 1-3, 5-15 odd numbered, 16-18, 19-35 odd, 37-39, 41-79 odd.
- Pre-test!
- A block Lesson (pdf) (A block lesson: try to follow from home
- A block homework: Read Section 2.1, p. 67-71. Problems: 9, 10, 15, 16, 24, 25, 27, 33, 42, 50, 52
- G block homework: Postponed to Tuesday, but you may get a head start: Read Section 2.2 (p 75-78). Problems: 2-9, 11, 13, 15, 17, 19, 23, 29, 31, 36, 45, 47-49, 53-56