2.3 Linear Functions and Slope Intercept Form

Finding Slope

100

what is the slope of (-3,7) and (-2,4)

-3

200

what is the slope of (3,1) and (-4,1)

0/-7 or 0

300

what is the slope of (7,-3) and (7,1)

undefined

400

what is the slope of (5,4) and (8,1)

-1

500

what is the slope of (2,2) and (-2,-2)

1

Linear Equations

100

write in slope intercept form m=3 y-intercept= 5

y=3x+5

200

write in slope intercept form m= 1/5 y-intercept= -3

y=1/5x-3

300

write in slope intercept form m= 7 y-intercept= 8

y=7x+8

400

Identify the slope and y-intercept. y = 3 - 4x

What is slope is -4 and y-intercept 3?

500

Rewrite the equation x + y = 28 in slope-intercept form.

What is y = 28 - x

Slope-Intercept Form

100

Solve for y. -7x+35= -5y

7/5x-7=y

200

solve for y 2y=3x+18

y=3/2x+9

300

solve for y 5x-4y=16

y=5/4x-4

400

solve for y 5x+2y= 30

y=-5/2x+15

500

solve for y -3/4x+1/2y= -1

y=3/2x-2

Identify

100

what is the slope of y=3x+5

3

200

what is the y-intercept of y=6x+3

3

300

what is the slope of y=1/3x+2

1/3

400

what is the y-intercept of -2x+y=1

1

500

what is the slope of -3x+2y=6

3/2

Mystery

100

what is the slope of (1,6) and (8,1)

-5/7

200

what is the slope of (2,7) and (-3,11)

4/-5

300

write in slope intercept form m= 3 y-intercept= -3

y=3x-3

400

solve for y 5x+y=4

y=-5x+4

500

solve for y: 6x+2y=8

-3x+4=y