SOLUTION: Find the values of each of the following polynomials for the given values of the variable. 3x^2 + 7, x = 3 and x= -3

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find the values of each of the following polynomials for the given values of the variable. 3x^2 + 7, x = 3 and x= -3       Log On


   

Question 113732: Find the values of each of the following polynomials for the given values of the variable.

3x^2 + 7, x = 3 and x= -3
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
Hi checkley71 and thanks for your answer, I got -9^2+7 for the -3 answer, how did you come up with 34 for both?
3(3)^2+7 OR 3*9+7 OR 27+7=34
3(-3)^2+7 OR 3*9+7 OR 27+7=34
ONLY THE X TERM IS RAISED TO THE POWER 2.
YOU INCORRECTLY INCLUDED THE 3.
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3X^2+7
3*3^2+7
3*9+7
27+7
34 ANSWER.
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3(-3)^2+7
3*9+7
27+7
34 ANSWER.