Question

Solve the equation Round to the nearest hundredth If necessary

3x^2=12
A. +or - 3
B + or - 2
C. + or -3.5
D.+ or - 1.5

Answer 1

B + or - 2

Explanation:

Solve for both. First, use 2:

3(2)^2 = 12

3(4) = 12

12 = 12 (True)

Next, use -2

3(-2)^2 = 12

3(4) = 12

12 = 12 (True)

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