Question

Which represents the solution(s) of the system of equations, y = x^2 - 2x - 15 and y = 8x - 40? Determine the solution set

algebraically
(-5, -80)
(5.0)
(5,0) and (-5, -80)
no solutions

Answer 1

B. (5,0)

Explanation:

I took the test!

Answer 2

I can't English language better but I think this is the correct answer

Explanation:

8x-40=x^2-2x-15

0=x^2-10x+25

0=x^2-5x-5x+25

0=x(x-5) -5(x-5)

0=(x-5)(x-5)

::x=5