Question

Help:
What are the intercepts of 3x − 9y = -27?

(-3, 0) and (0, 9)

(3, 0) and (0, 9)

(3, 0) and (0, 6)

(-9, 0) and (0, 3)

Answer 1

(-9,0) and (0,3)

Answer 2

why do you pick that?

Answer 3

Don't give answers, explain it to him.

Answer 4

^

Answer 5

A y intercept is the y value when x = 0
The x intercept is the x value when y = 0
plug in 0 for x and solve for y, that's the y intercept
plug in 0 for y and solve for x, that's the x intercept

Answer 6

Bruno what do you know so far?

Answer 7

so its 3(0)-9(0)=-27?

Answer 8

This is our equation: 3x − 9y = -27
Y intercept = 3(0) - 9y = -27
since anything ultiplied by 0 is 0 we have -9y = -27
-27/-9= y-intercept
X intercept = 3x - 9(0) = -27
3x=-27
-27/3 = x-intercept

Answer 9

ok I got it now thanks @OnePieceFTW

Answer 10

No problem, bud