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If x= 3, what is the value of 4x2 - 7?

If x= 3, what is the value of 4x2 - 7?-example-1

2 Answers

4 votes
The answer would be 29.

Explanation: First we substitute 3 into the equation: 4(3^2)-7. Next we find what 3^2 is. 3^2 or 3x3 is equal to 9. The equation is now 4x9-7. 4x9 is 36 and 36-7=29.

Hope this helped.
User ManojP
by
8.2k points
10 votes

Answer:

D:29

Explanation:

4(3) ^2 - 7 =

6^2 -7 =

36 - 7 = 29

hope this helped!

User Candy Chiu
by
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