3
lesson pretestMultiple Choice

Pretest

Question 3 • CMS 2026-2027 NC Math 1 CREDIT RECOVERY

What are the solution(s) to the quadratic equation 50 minus x squared is equal to 0 ?

Answer
A
x is equal to plus or minus 2 square root of 5
B
x is equal to plus or minus 6 square root of 3
C
x is equal to plus or minus 5 square root of 2
D
no real solution

Explanation

Set 50 − x² = 0, so x² = 50. Taking the square root gives x = ±√50 = ±5√2. Therefore, the solution is plus or minus 5 square root of 2, choice C.

AI-written and checked against the verified answer.

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