Question

Please help me, will medal & fan!
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

@Conqueror

Answer 2

Just plug in '0' for 'x' and 'y'.

3x - 9y = -27

Plug in 0 for 'x':

3(0) - 9y = -27

-9y = -27

Divide -9 to both sides, what's -27 / -9?

Answer 3

Multiply x values times 3 and the y values by 9
Then subtract y from x and see if they equal -27...

Answer 4

Can you divide -27 / -9? @itsdaniela

Answer 5

Its 3 @Conqueror @Heypips @iGreen

Answer 6

Yes, so the y-intercept is (0, 3)

Answer 7

Yes

Answer 8

Now we can plug in '0' for 'y' to find the x-intercept.

3x - 9y = -27

3x - 9(0) = -27

3x = -27

Divide 3 to both sides, what's -27 / 3?

Answer 9

-9 @iGreen

Answer 10

Yes, so the x-intercept is (-9, 0).

Answer 11

So we have:

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

Answer 12

Thank you so much! :) @iGreen

Answer 13

No problem.

Answer 14

Can you help me with this problem?
What are the intercepts of y = -0.75x + 3.0?

Answer 15

please? @iGreen

Answer 16

Sure, but ask it in a new question.

Answer 17

okay.