ibragdifferent ibragdifferent

11-02-2019
Mathematics

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I will mark Brainliest!!

Question:

Solve for x.

2x²=50

A.) -6 and 6
B.) -12.5 and 12.5
C.) -5 and 5
D.) -25 and 25

Respuesta :

AnimeBrainly AnimeBrainly

11-02-2019

Answer:

C.) -5 and 5

Step-by-step explanation:

Plug in -5 & 5 separately for x.

Plug in -5 for in the equation. Remember to follow PEMDAS. First solve for power, then multiplication.

2(-5)² = 50

2(25) = 50

50 = 50 (True).

Plug in 5 into the equation for x. Remember to follow PEMDAS. First solve for power, then multiplication.

2(5)² = 50

2(25) = 50

50 = 50 (True).

~

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