Algebra 1 Common Core Student Edition, Grade 8-9

CH A PTER \

5

Li n ear Funct i ons

Download videos

connect ing mat h

to your world.

Interactive!

Vary numbers,

graphs, and figures

to explore math

co n cep t s.

Th e o n l i n e

So l v e I t w i l l g e t

you in gear for

each lesson.

Chap t er Preview

5-1 Rate o f C hange and Slope

5-2 Direct Variation

5-3 Slope-lntercept Form

5-4 Point-Slope Form

5-5 Standard Form

5-6 Parallel and Perpendicular Lines

5-7 Scatter Plots and Trend Lines

5-8 Graphing Absolute Value Functions

BIG ideas

1 P r o p o r t i o n a l i t y

Essential Question: What does the slope

of a line indicate about the line?

2 Functions

Essential Question: What information

does th e equation o f a line give you?

3 M o d e lin g

Essential Question: How can you make

predictions based on a scatter plot?

Math definitions

in English and

Sp a n i sh

Online access

to stepped-out

problems aligned

to Common Core

Get an d v i e w

your assignments

online.

Ex t r a p r a c t i c e
and r ev iew
online

Vocabulary

English/Spanish Vocabulary Audio Online:

direct variation, p. (^301) variacion directa
linear equation, p. (^308) ecuacion lineal
piecewise function, p. 348 funcion de fragmentos
point-slope form, p. 315 forma punto-pendiente
rate of change, p. 294 tasa de cambio
slope, p. 295 pendiente
slope-intercept form, p. 308 forma pendiente-interct
standard form, p. 322 forma normal
step function, p. 348 funcion escalon
trend line, p. 337 linea de tendencia
x-intercept, p. (^322) intercepto en x
/-intercept, p. 308 intercepto e n y
DOMAINS

• Interpreting Functions


• Building Functions


• Interpreting Categorical and Quantitative Data

Virt ual Nerd™
tutorials with
built-in support