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SOLUTION: If x = 1 and x = -8, then form a quadratic equation. Again, I have to work this problem backwards in order to figure it out, can someone help me with this one also? I am lost!
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Question 171188
:
If x = 1 and x = -8, then form a quadratic equation. Again, I have to work this problem backwards in order to figure it out, can someone help me with this one also? I am lost!
Answer by
scott8148(6628)
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You can
put this solution on YOUR website!
if r is a root (solution) of a quadratic equation, then x-r is a factor
(x-1)(x+8)=0 __ FOILing __ x^2+7x-8=0