Question

A line with a slope of -3 passes through the point (0,9). Which of the following is another point on the line?
a. (-3,9)
b.(1,8)
c.(3,1)
d.(7,-12)
e.(10,-20)

Answer 1

The rule is y=-3x+9. Use that to work out the points.

Answer 2

@lilybelle4 i got that far, but I'm not sure how to use that to get the points, what do i do?

Answer 3

you have to check if the y coordinate (the one on the right) is 3 times the x coordinate minus two

Answer 4

sorry, plus 9

Answer 5

I am doing my own homework which is similar :S

Answer 6

thankyou!

Answer 7

you're welcome