What is the slope-intercept form of this equation? 3x + 9y = 18 a. y = -1/3x + 6 b. y = -1/3x + 2 c. y = 1/3x + 6 d. y = 2/3x + 2

Slope intercept for is y=mx+b

So to solve this, get y by itself, and move everything else to the other side of the equation.

3x + 9y = 18

first subtract 3x from each side

9y = 18 - 3x

Then divide each side by 9

y =

Simplify by dividing both 18 and -3 by 9

y = 2 - 1/3x

Rearrange it so that -1/3x comes first

y = -1/3x + 2

ANSWER:

B. y = -1/3x + 2

I hope this helps!

J= r + 9 because since jessica rode 9 more miles than roger, you add 9 miles to rogers mileage.