dpichardo56 dpichardo56

11-03-2021
Mathematics

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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 the solution to 7x^2=1008?

±
3

± 3

±
7

A. ± 7
B. ±12
C. ± 12
D. ±144

Myras tutor used these steps to solve the problem 10x290 Divide both sides by 10 to get x29 Take square roots on both sides to get x3 Using this method what is class=

Respuesta :

11-03-2021

Answer:

Step-by-step explanation:

7x² = 1008

divide both sides by 7:

x² = 144

x = ±√144 = ±12

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