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Understanding Positive and Negative Square Roots
Worksheet
Grade Level
Grade 8
8.8 Understanding Positive and Negative Square Roots
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🔴 Hard
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For a nonnegative number a, which statement best summarizes when x
2
= a has one real solution and when it has two?
A
It has one real solution when a = 0 and two opposite real solutions when a > 0
B
It always has two real solutions for every nonnegative a
C
It always has one real solution because sqrt(a) is one number
D
It has one real solution when a > 0 and two when a = 0
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