Saturday

April 19, 2014

April 19, 2014

Posted by **Erin** on Saturday, November 7, 2009 at 10:55pm.

- Algebra -
**Reiny**, Saturday, November 7, 2009 at 11:07pmfor the x-intercepts, F(x) = 0. (the y = 0)

so (x+5)^2-6 = 0

(x+5)^2 = 6

x+5 = ± √6

x = -5 ± √6

You expanded the function, you did not factor it.

Once you get x^2 + 10x + 19 = 0,

if you use the formula and simplify the answer, it comes out the same as my answer.

I have no idea where you got the 0, a parabola can have at most 2 x-intercepts.

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