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# Download Preparing for Precalculus

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```6
Unit 2
|
Quadratic, Polynomial, and Radical Functions and Relations
Systems of Equations
and Matrices
Get Ready for Chapter 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
6-1 Multivariable Linear Systems and Row Operations . . . . . . . . . . . . . . . . . . . . 364
6-2 Matrix Multiplication, Inverses, and Determinants. . . . . . . . . . . . . . . . . . . . . 375
Extend: Graphing Technology Lab Determinants and Areas of Polygons . . . . . . . . . . . 387
6-3 Solving Linear Systems Using Inverses and Cramerâs Rule . . . . . . . . . . . . . . 388
Extend: Graphing Technology Lab Matrices and Cryptography . . . . . . . . . . . . . . . . . . 395
Mid-Chapter Quiz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397
6-4 Partial Fractions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 398
6-5 Linear Optimization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405
ASSESSMENT
Study Guide and Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413
Practice Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417
Connect to AP Calculus: Nonlinear Optimization. . . . . . . . . . . . . . . . . . . . . 418
Â©Peter Beck/Corbis
Animation
Animation
p. p.
375
375
Your Digital Math Portal
Vocabulary
Vocabulary
388
pp.pp.
388
Multilingual
Multilingual
eGlossary
eGlossary
p. 363 p. 363
Â©Peter Beck/Corbis
connectED.mcgraw-hill.com
vii
```
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