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2 votes
Solve 2x^2 = 72.
Question 1 options:
{±18}
{±36}
{±6}
{±8}

2 Answers

5 votes
You divide both sides by 2 to get X^2=36. You then square root both sides to get X=6. The answer is d.6.
User Wasif Khalil
by
8.0k points
7 votes
all you do is have to plug each option in for x
2*18^2=684
2*36^2=2592
2*6^2=72
2*8^2=128
So it's C.6
User Joseville
by
8.4k points

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