MATHEMATICS HIGH SCHOOL

Find the exact Solution of x.x^2 = 16

A)x = 4
B)x = -4
C)x = ±4
D)No Solution

Answers

Answer 1
Answer: x^(2) = 16

First, take the square root to both sides. 
x = ±√(16)
Second, now we have 4 × 4 which is 16, meaning the square root of 16 is 4. 
x = ±4
Third, there are two solutions. 
-4 \n and \n 4
Fourth, since we have two values, it is reasonable to use the plus-minus sign to indicate there is a positive and a negative solution.

Answer: C) x = ±4
Answer 2
Answer: x^2 = 16
x = √16
x = 4.
so the answer is A. x = 4.

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Hope it is helpful :)

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