Posted by **sarah** on Tuesday, April 23, 2013 at 7:16pm.

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

- math -
**rbowh**, Tuesday, April 23, 2013 at 7:31pm
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?

- math -
**sarah**, Tuesday, April 23, 2013 at 7:49pm
for for like a. it would be (2, 4) and (-1, 1)?

- math -
**rbowh**, Tuesday, April 23, 2013 at 8:22pm
Yes. Sorry it took so long to reply.

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