Precalculus 2012-2013 Homework
Chapter 1
1
2 and 3 A
2 and 3 B
3C
4
5A
5B
1.1: 3-9 odd, 21-27 odd, 33, 39, 43-47 odd, 53, 57-69 3’s odd, 76, 79
1.2: 1-7 odd, 11-17 odd, 23-43 odd, 99 and 1.3: 1-31 odd
Chapter 2
Part 1 Integer Exponents http://www.youtube.com/watch?v=r0k44FioK9E
Part 2 Scientific Notation
http://www.youtube.com/watch?v=CwV2gRkAdEw&feature=relmfu
Part 3 Radicals and Rational Exponents
http://www.youtube.com/watch?v=aGLrHGu60tg&feature=relmfu
Part 4 Rationalizing the Denominator
http://www.youtube.com/watch?v=VgO3i4zh45Y&feature=relmfu
1.2: 26, 45-73 odd, 77, 79, 83, 85, 93, 95, 100 and 1.3: 32, 33, 43-53 odd
Chapter 3
Part 1 Polynomials http://www.youtube.com/watch?v=YOOdLwtdg3A&feature=relmfu
Part 2 Factoring http://www.youtube.com/watch?v=XkruVdyT8T0&feature=relmfu
1.3: 35-39 odd, 55-103 odd, 112
Master factoring negative exponents
1.4: 1-3, 15, 21, 25, 27-51 3’s odd, 73, 95 and 1.3: 30, 48, 68, 70, 84, 103
Part 1 Domain/Operations
http://www.youtube.com/watch?v=sDtiBfxqoLk&feature=relmfu
Part 2 Compound Fractions
http://www.youtube.com/watch?v=jX7cMTaY7z4&feature=relmfu
1.5: 23-27 odd, 37-47 odd, 57, 63, 69, 75, 77, 81, 95, 99-101
Master completing the square
Part 1 Linear Equations http://www.youtube.com/watch?v=JzcK0q3Dchw&feature=relmfu
Part 2 Quadratic Equations http://www.youtube.com/watch?v=g8_oJOFgqLk There is a
mistake in answer B. Can you find it?
Need completing the square video?
http://www.youtube.com/watch?v=VcC8aOq3ZSU&feature=plcp leads to
http://www.youtube.com/watch?v=tuCS6QwGBqA&feature=plcp
Part 3 Other Equations http://www.youtube.com/watch?v=I9eEP2vedFw&feature=relmfu
Due after test on sections 1-4
1.5: 29-35 odd, 49-55 odd, 61, 71, 79, 84, 89, 93, 97, 103
Discovery Project p. 76 done by groups due week of Sept 17th
6
1.6: 31-35 odd, 41, 47, 49, 59, 72, 75, 81 and 1.7: 7, 17, 19, 21, 25
7
1.7: 27-33 odd, 41-47odd, 63, 65, 69, 77, 81, 83, 107, 109
Part 1 Linear Inequalities: http://www.youtube.com/watch?v=5kMFrrxIzY&list=UUcQ3Wc1mf4gNO3PgyBQZplw&index=106&feature=plcp
Part 2 Nonlinear Inequalities: http://www.youtube.com/watch?v=wSeyhWrSpOY The
second example should not have 6 as an endpoint. Do you know why?
Part 3 Absolute Value Inequalities:
http://www.youtube.com/watch?v=NJEm2VpqGbE&feature=relmfu
Part 4 Modeling with Inequalities http://www.youtube.com/watch?v=Pj6C_5yrgrc
8
1.8: 3, 15, 17, 23, 25, 33, 63, 73, 81, 107 ai only and 1.6: 50, 60, 61, 65, 73
9
1.9: 11, 21-25 odd, 29, 35, 39, 42, 45, 58, 59, 63
11
1.11: 1-25 odd, 26, 41, 42 and 1.10: 11, 26, 27, 31, 60, 73
Review by doing the Chapter Test on pages 135 and 136 and the ideas in the Chapter
Review on pages 130-134.
Chapter 2
1
Identify a function and use domain and range.
2.1: 11, 15, 19, 21, 25, 27, 29, 33, 39-43 odd, 59, 66
http://www.youtube.com/watch?v=4YdPcXh91-Y&feature=plcp
Do you think the domain for example 3 is a real life domain?
2
2.2: 7, 11, 15, 19, 23, 25, 27, 33, 83 and 2.1: 23, 31, 36, 53
Part 1 Graphs and Tables http://www.youtube.com/watch?v=_f00MfztZRQ&feature=plcp
Part 2 Piecewise Functions, Absolute Value
http://www.youtube.com/watch?v=H0Fvhrt5P_8&feature=context-chv
3
Know Average Rate of Change algebraically and graphically. Identify increasing and
decreasing intervals of a function.
2.3: 1-5 odd, 13, 14, 17, 19, 31 and 2.2: 38, 50, 67, 68
Part 1 Increasing and Decreasing Functions http://www.youtube.com/watch?v=QuEZel7j_Q&feature=plcp
Part 2 Domain and Range, Min and Max
http://www.youtube.com/watch?v=5tpSXsedtgQ&feature=context-chv
Average Rate of Change http://www.youtube.com/watch?v=M02XDYD8I-w&feature=plcp
4
Transform parent functions. NEW y  f   x  and y  f  cx  .
2.4: 1-5, 11-14, 19a-e, 20, 33-36, 39, 40, 45-48 and 2.3 21-29 odd, 30, 33, 38
Part 1 Horizontal/Vertical Translations
http://www.youtube.com/watch?v=kwgoDfBM7Tw&feature=plcp
Part 2 Reflecting Vertically and Horizontally also Even and Odd Functions
http://www.youtube.com/watch?v=SMzKL0Nky4c&feature=relmfu
Part 3 Stretching and Shrinking
http://www.youtube.com/watch?v=_zpZoCXVrjI&feature=relmfu
5
Find maxima and minima.
2.5: 1-5 odd, 9, 16, 17-23 odd, 29, 35, 41, 42 and 2.4: 21, 22, 24-27, 30-32, 55, 56, 61-64
See Part 2 on 2.3 for Maxima and Minima and
http://www.youtube.com/watch?v=MuTKcVzgrqM&feature=relmfu
6
2.6: 3, 5, 6, 13, 15, 23, 27, 29, 31 and 2.5: 9, 18, 25, 44, 53, 56, 59, 64
7
2.7: 1-35 odd, 55, 56; 2.6: 8, 10,
Part 1 Algebra of Functions
http://www.youtube.com/watch?v=SDFDI5JoMJY&feature=relmfu
Part 2 Composition of Functions
http://www.youtube.com/watch?v=bSe43IDuYTw&feature=relmfu
8
Identify one-to-one functions, create inverse functions, and prove functions are inverses.
2.8: 1-7 odd, 14, 15-19 odd, 23, 27, 35, 39, 59 and 2.7: 12, 28, 39, 45, 49
Part 1 One-to-One Functions
http://www.youtube.com/watch?v=tWVrnAv3Zvo&feature=relmfu
8
2.8: 2-6 even, 16, 26, 45, 48, 59: 2-3: 14, 16, 22, 28, 37
Chapter Review Test on page 237 and go over the Chapter Review from 233 to 236
After test, problems 1, 4, and 10 on Focus on Modeling pages 243-246. Due class after test.
Day after test discuss Focus on Modeling and do Group work 1 section 3.1 The Waste-Free
Box. Finish group work if not completed in class.
Chapter 3
1
Know equivalents of “zeros.” Memorize the Intermediate Value Theorem for Polynomials.
Understand the shape of graphs with lead terms of degrees that are even and odd including
local maxima and minima and the shape as it crosses the x-axis.
3.1: 3-11 odd, 17, 21, 23, 29, 34, 35, 37, 39, 45, 49, 58, 59, 68, 72, 79, 83 (think about
increasing and decreasing around a min or max)
Use video 3.2 Part 1 Polynomials (error corrected part way through) and IVT and end
behavior. http://www.youtube.com/watch?v=rR2nShLRY2E&feature=context-chv
Using zeros http://www.youtube.com/watch?v=PvFNbQorP6E&feature=relmfu
HW 3.2: 1(long division), 3(synthetic division), 15, 23, 29, 37, 45, 50, 55, 65
2
Use videos 3.3 Part 1 Long and Synthetic Division http://www.youtube.com/watch?v=MtFeFLdVdc&feature=relmfu
Part 2 Factor and Remainder Theorems
http://www.youtube.com/watch?v=vZ8ORQo6xOk&feature=relmfu
3A
Find all the rational zeros of a polynomial.
Part 1 Rational zeros and Descartes’ Rule of Signs
http://www.youtube.com/watch?v=2DICoAdPHrg&feature=plcp
HW 3.3A: 3, 7, 11, 15, 33, 48, 55
3B
Part 2 Upper and Lower Bounds Theorem
http://www.youtube.com/watch?v=P8bJiodG3tM&feature=relmfu
HW 3.3B: 9, 34, 61, 69, 77, 95, 100
4
Complex Numbers
http://www.youtube.com/watch?v=kuhItG-gueQ&feature=relmfu
http://www.youtube.com/watch?v=CFp2UCXGD0k&feature=relmfu
HW 3.4: 9, 15, 19, 24, 27, 33, 39, 42, 63, 71, 80
5
Complex Zeros and Fundamental Theorem of Algebra
http://www.youtube.com/watch?v=GImrqd1fYc4&feature=relmfu
http://www.youtube.com/watch?v=ONtPExbsBfw&feature=relmfu
HW 3.5: 1, 7, 13, 19, 29, 33, 39, 40, 57, 61, 65
6
Rational Functions
http://www.youtube.com/watch?v=Gk9gqM6eqek&feature=relmfu
http://www.youtube.com/watch?v=UaAiEO12dAA&feature=relmfu
Slant Asymptotes http://www.youtube.com/watch?v=j4LBAu7tlIk&feature=relmfu
HW 3.6: 11, 21, 25, 39, 49, 53, 55, 57, 61, 65, 69, 83
Chapter Review Test but also look at Chapter Review Problems
After Test: Focus on Modeling 2-6
Chapter 4
1
Exponential Functions
http://www.youtube.com/watch?v=SOSSS2N-4hw&feature=relmfu
Compound interest http://www.youtube.com/watch?v=m5YrVygXv3A&feature=context-chv
Continuous interest see video natural log in section 2
HW 4.1: 11, 12, 15, 18, 19-24, 25-29 odd, 42, 43, 60, 61, 69, 77, 79
2
3
4
5
Know Properties of Logs and Graphing basic logs
Properties http://www.youtube.com/watch?v=6F89SufdF1A&feature=context-chv
Graphing logs http://www.youtube.com/watch?v=IRX495wG6gw&feature=plcp
Natural logs /base e http://www.youtube.com/watch?v=S5DoHCr2Vzc&feature=context-chv
HW 4.2: 1-23 odd, 27, 31, 41-57 odd and 4.1: 66, 72, 80
Laws of Logarithms
http://www.youtube.com/watch?v=m7f2mkBOVik&feature=plcp
HW 4.3: 1-27odd, 39-43 odd and 4.2: 61, 65, 69, 71, 73, 74, 79, 85
Solving Exponential Equations
http://www.youtube.com/watch?v=XibqP7-r8Mw&feature=plcp
Solving Logarithm Equations
http://www.youtube.com/watch?v=Urp7Qv7_ZpY&feature=context-chv
HW 4.4: 1, 5-9 odd, 17, 25, 27, 31, 37, 41, 47 and 4.3: 29-37 odd, 45-55 odd, 66
Exponential Growth Models
http://www.youtube.com/watch?v=qaN1pES4aCI&feature=plcp
Exponential Decay Models
http://www.youtube.com/watch?v=OgZwjy-so6E&feature=relmfu
Magnitude of Earthquakes
http://www.youtube.com/watch?v=z65KXj_0vp0&feature=relmfu
HW: 4.5: 3, 10, 15, 19, 27, 28, 35 and 4.4: 8, 23, 33, 39, 49, 57, 59
Chapter Review test
Test
Chapter 5
1
2
3
4