Units 1-3 Review

Unit 1

100

3(2x + 4) - 7

6x + 5

200

-6x + 3x = 3

x = -1

300

6(1 - 2x) = 114

x = -9

400

-(8 + 6v) = -2(2v - 1)

v = -5

500

5 - 3|8k + 4| = -79

k = 3, -4

Unit 2

100

Image #1

43, 23, -1, -37

200

Image #3

> or equal to

300

Image #2

y = (-2/7)x - 21

400

Find the slope:  (-4, 15) (17, -21)

-12/7

500

Find x- and y-intercepts of y= -2x + 18

y-int: (0, 18)    x-int: (9, 0)

Unit 3

100

Image #4

(-4, -2)

200

Image #5

Infinitely many solutions

300

y= 4x +20;  y= -4

(-6, -4)

400

y= -7x + 31

y= -11x + 55

(6, -11)

500

-16x + 10y = 92

15x - 10y = -105

(13, 30)