Tuesday

July 22, 2014

July 22, 2014

Posted by **mariana** on Tuesday, August 6, 2013 at 9:42pm.

Write a quadratic equation that has two solution, 4 and -4. Leave the polynomial in reduced factored form.

- math -
**Reiny**, Tuesday, August 6, 2013 at 9:54pmIf you know how to solve a quadratic by factoring, then you know how to do this.

Just reverse your steps

if x=4

then x-4 is a factor

if x = -4

then x+4 is the second factor

so (x-4)(x+4 = 0

expanded: x^2 - 16 = 0

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