Algebra 1 Chapter 4 Review

Use Linear Equations in Slope-Intercept form

100

Pg. 236 # 3

y = 3x-2

200

PG 236. 

# 8

y = 1/2x - 19/2

300

Pg 236 # 11

y = 3x + 1

400

pg 237 # 25

y = -1/2x + 8

500

Pg 237#29

D

Write Linear Equations in Point-Slope

100

Pg. 245 #1

-2; (-5,5)

200

Pg 245 # 12

C

300

Pg 246 # 30

B

400

Pg 245 # 7

y - 2 = 5(x+8)

500

Pg 247 # 40

a. y= 1.4x + 30 

b. 45.4 gal

Write Linear Equations in Standard Form

100

Pg 254 # 1-3 in order

1.Standard form

2. slope-intercept form

3. point-slope form

200

Pg. 254 # 12

-3x + y = -13

300

Pg. 254 # 20

-4x + y = -3

400

Pg 254 # 34

11; 8x+11y = 4

500

Pg 255 # 42

a.) 0.75b + s = 63

b.) 18 subway rides

Write Equations of Parallel and Perpendicular Lines

100

Pg 261 # 16

D

200

Pg 261 # 10

y = x - 5

300

Pg. 261 # 22

y = 7/2 x + 3

400

Pg. 261 # 26

y = 2x - 17

500

Pg 262 # 32 a, b only

a) y = 2x + 8

b) y = -2x + 8

Fit a Line to Data

100

Pg 268 # 8

C

200

Pg 268 # 3,4,5

3) positive

4) relatively no correlation

5) negative

300

pg 268 # 13

positive correlation

line of best fit close to: 

y=1.5x - 13

400

Pg 268, # 14

Relatively no correlation

500

Pg. 269 # 19

Answer close to : 

y = 12.6x + 32