How do you find where x+1 and 9-(x^2) intercept?

pillar · Jan 20, 2010

Homework Statement

Find at what points these two functions intercept.

y=x+1 y=9-(x^2)

x+1=9-(x^2)

(x^2)-x-8=0

LCKurtz · Jan 20, 2010

I assume you mean "intersect". Either complete the square or use the quadratic formula. And check the sign on your x term.

pillar · Jan 20, 2010

LCKurtz said:

I assume you mean "intersect". Either complete the square or use the quadratic formula. And check the sign on your x term.

Yes I meant intersect, thanks for your help.