2 years ago

Find the solution set. |x|= 9 A. { } B. {-3 , 3} C. { -9, 9} D. {-81, 81}

Mathematics

2 answers:

Vilka [71]2 years ago

6 0

Answer:

Step-by-step explanation:

it dosn't matter if x = a negative. It's asking for absolute value.

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Ierofanga [76]2 years ago

4 0

Answer:

C. { -9, 9}

Step-by-step explanation:

An absolute value equation has 2 solutions, a positive and a negative

|x|= 9

x= +9 and x = -9

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