Question

Which ordered pairs are solution(s) of y > 4x – 9? Select all that apply.

a) (-1,3)
b) (0,-9)
c) (1,0)
d) (2,1)

Answer 1

Answer:

y>4x-9

A, 3>4(-1)-9

3>-4-9

3>-13 is correct.

B, -9>4(0)-9

-9>-9 is incorrect since it has to have a greater than or equal sign.

C, 0>4(1)-9

0>4-9

0>-5 is correct.

D, 1>4(2)-9

1>8-9

1>-1 is correct.

Therefore, the answers are A, C, and D.