7th Grade Math

ContentsC

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Are You Ready for the Chapter?.................................... 376

Rates and Functions

Multi-Part

Lesson 1

A^ EExxppllooorreee^ Relations and Functions...........................^377

B^ Equations and Functions.................................^378

C^ Functions and Graphs....................................^385

(^) D EExxtteeennnddd Graphing Technology: Graphing Relationships....... 390
Slope
Multi-Part
Lesson 2
A^ EExxppllooorreee^ Rate of Change..................................^391
(^) B Constant Rate of Change................................. 392
C^ Slope..................................................^396
(^) D EExxtteeennnddd Graphing Technology: Compare Graphs............ 400
Mid-Chapter Check............................................... 401
Variation
Multi-Part
Lesson 3
A^ Problem-Solving Investigation: Use a Graph..............^402
(^) B EExxppllooorreee Proportional and Nonproportional Relationships...... 404
(^) C Direct Variation......................................... 405
(^) D EExxppllooorreee Inverse Variation................................. 411
(^) E Inverse Variation........................................ 412
Problem Solving in Engineering................................... 416
Chapter Study Guide and Review.................................. 418
Practice Chapter Test............................................. 422
Preparing for Standardized Tests.................................. 423
Test Practice..................................................... 424
Linear Functions
7
CHAPTER
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