alexandraalanis alexandraalanis

16-04-2018
Mathematics

contestada

Solve the equation x2 − 100 = 0.

A.x = 0, -10

B.x = 0, 10

C.x = 10, -10

D.x = 50, -50

Respuesta :

SINAZEUS SINAZEUS

16-04-2018

C is the correct answer

good luck

Answer Link

prestonshelton prestonshelton

16-04-2018

Hello!

You solve this algebraically

x^2 - 100 = 0

Add 100 to both sides

x^2 = 100

Take the square root of 100

When you take a square root the solutions are the number positive and negative

x = 10
x = -10

The answer is C. x = 10, -10

Hope this helps!

Answer Link

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