11.6 The Slope Intercept Form

Slope Intercept Form

• Same as function form• Need to solve for y

Slope-intercept equationy = mx + b

slope y-intercept

Y=-x+2

• slope intercept form Y=(-1)x +2• Slope M=-1• Y-intercept B=2

• Slope intercept form

• Slope M=1/2• Y-intercept B=5/2

5

2

xy

1 5

2 2y x

Y=7

• Slope intercept form y=0x +7• Slope m=0• Y-intercept b= 7

Find the slope and y-intercept ofy = -5x + 6

5m 6b

Find the slope and y-intercept of2y = 7x - 4

7

2m 2b

2 2 2

Find the slope and y-intercept of2x + 3y = 6

-2x -2x

3y = - 2x + 63 3 3

23

2 xy

2

3m 2b

Find the slope and y-intercept of-7x - 5y = 25

+7x +7x

-5y = 7x + 25-5 -5 -5

55

7 xy

7

5m 5b

Homework

• Page 591 (4-6, 10-18) all