Question

Which ordered pair is a solution of the system below?
y=x^2+8x-2
y=2x-7
A) (-5,17)
B) (-1,-9)
C) (1, -5)
D) (5,3)

Answer 1

Where are you stuck?

Answer 2

i do not know how to do this at all... where do i start?

Answer 3

@Loser66

Answer 4

Replace y = 2x -7 to the first equation, solve for x, plug the value of that x to either of them to find the value of y. Fortunately, you have different x's, hence just find out x, the y comes naturally because they go together. I meant: if your x is -5, then your y is 17, no confuse.

Answer 5

ok i get it @Loser66 thank you