Asked by sarah

find the points of intersection of the following pairs of equations.

a. y=x^2 and y=x +2

b. y=x^2 and y=8-x^2

c. y=x^2 and x=y^2
Answered by rbowh
a. Substitute (x + 2) from the second eq., simplify and solve for x. Then solve for y.

The other two equations are done the same way.

a. x+2 = x^2
x^2 - x - 2 = 0
(x - 2)(x + 1) = 0

can you finish it?
Answered by sarah
for for like a. it would be (2, 4) and (-1, 1)?
Answered by rbowh
Yes. Sorry it took so long to reply.
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