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Myra’s tutor used these steps to solve the problem 10x^2=90. • Divide both sides by 10 to get x^2=9. • Take square roots on both sides to get x=±3. Using this method, what is th…

Myra’s tutor used these steps to solve the problem 10x^2=90. • Divide both sides by 10 to get x^2=9. • Take square roots on both sides to get x=±3. Using this method, what is th…
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1 vote
Myra’s tutor used these steps to solve the problem 10x^2=90.

• Divide both sides by 10 to get x^2=9.
• Take square roots on both sides to get x=±3.
Using this method, what is the solution to 7x^2=1008?

±
3

± 3

±
7

A. ± 7
B. ±12
C. ± 12
D. ±144

Myra’s tutor used these steps to solve the problem 10x^2=90. • Divide both sides by-example-1
asked
User Jrouquie
by
8.9k points

1 Answer

11 votes

Answer:

Explanation:

7x² = 1008

divide both sides by 7:

x² = 144

x = ±√144 = ±12

answered
User JP Maulion
by
8.3k points
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