Question 5 • CMS 2026-2027 NC Math 1 CREDIT RECOVERY
Nancy found that x is equal to 1 is one solution to the quadratic equation open paren x plus 2 close paren squared is equal to A What is the value of A ?
Answer
A
negative 9
B
3
C
9
D
negative 3
Explanation
Since x = 1 is a solution, substitute 1 for x in (x + 2)² = A. Then A = (1 + 2)² = 3² = 9, so the value of A is 9.
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