Question

Use substitution method to solve
y = x^2
y = x + 2

Answer 1

x^2 = x+2

x^2-x - 2 = 0
(x-2)(x+1) = 0
x = 2,-1

Answer 2

so x=2, but y=-1 or 1?

Answer 3

i think his answer is correct

Answer 4

Yours was correct, you just solved for y. I solved for x

Answer 5

well y = 1 then

Answer 6

Two different approaches to the same goal

Answer 7

Yes, y = 1

Answer 8

oh ok

Answer 9

But x can be -1 or 2

Answer 10

y = 1 or 4