SOLUTION: I am supposed to evaluate the polynomial when x = -4: 2x^2-2x+9 -16-(-16)+9= -16+16+9=9 The answer is 9? The negative 16 at the beginning confused me, I wasn't sure if it

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I am supposed to evaluate the polynomial when x = -4: 2x^2-2x+9 -16-(-16)+9= -16+16+9=9 The answer is 9? The negative 16 at the beginning confused me, I wasn't sure if it       Log On


   

Question 235617: I am supposed to evaluate the polynomial when x = -4:
2x^2-2x+9
-16-(-16)+9=
-16+16+9=9
The answer is 9?
The negative 16 at the beginning confused me, I wasn't sure if it becomes paoitive or not.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
I am supposed to evaluate the polynomial when x = -4:
2x^2-2x+9
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2(-4)^2 - 2(-4) + 9
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2(16) + 8 + 9
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49
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Cheers,
Stan H.