What are the solutions to m squared minus 9 is equal to 0 ?
Answer
A
m is equal to negative 9 and m is equal to 0
B
m is equal to 9
C
m is equal to negative 3 and m is equal to 3
D
m is equal to negative 3
Explanation
Add 9 to both sides to get m² = 9. Taking the square root gives m = −3 or m = 3, so the correct choice is A: m is equal to negative 3 and m is equal to 3.
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