Question

Help please!

Which ordered pairs are a solution to the equation?

y = 3x - 4

Select all that apply.

(4,2)


(1, -1)


(-1, -7)


(2, 2)

Answer 1

y = 3x - 4

(4,2); when x = 4; y = 3(4) - 4 = 9 ........FALSE
(1, -1); when x = 1; y = 3(1) - 4 = -1 ........TRUE
(-1, -7); when x = -1; y = 3(-1) - 4 = -7 ........TRUE
(2, 2); when x = 2; y = 3(2) - 4 = 2 ........TRUE

answer
(1, -1)
(-1, -7)
(2, 2)