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

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SUMMARY

The discussion focuses on finding the intersection points of the functions y = x + 1 and y = 9 - (x^2). The equation derived from setting these functions equal is x^2 - x - 8 = 0. To solve this quadratic equation, participants suggest using either the quadratic formula or completing the square, emphasizing the importance of checking the sign on the x term for accuracy.

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Homework Statement



Find at what points these two functions intercept.

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

Homework Equations



x+1=9-(x^2)

The Attempt at a Solution



(x^2)-x-8=0
 
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I assume you mean "intersect". Either complete the square or use the quadratic formula. And check the sign on your x term.
 
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.
 

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