Question
Solve the following system using elimination or substitution. show your work.
y = x^2 - 2x - 6
y = 4x + 10
Please explain how to do this and the answer! THANKS!
y = x^2 - 2x - 6
y = 4x + 10
Please explain how to do this and the answer! THANKS!
Answers
bobpursley
y = x^2 - 2x - 6
y = 4x + 10 subtract the second equation from the first:
0=x^2-6x-16 then factor
(x-8)*(x+2)=0
x=8, or x=-2
y = 4x + 10 subtract the second equation from the first:
0=x^2-6x-16 then factor
(x-8)*(x+2)=0
x=8, or x=-2