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Which of the following expressions is correct? A: |-9| = |9| B: -|-9| = |-9| C: |-9| = -9 D: -|9| = 9
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1 vote
Which of the following expressions is correct?

A: |-9| = |9|
B: -|-9| = |-9|
C: |-9| = -9
D: -|9| = 9

User Charlie Drewitt
by
8.2k points

2 Answers

3 votes
A because the absolute value of a negative number is its positive absolute value.
User Keyan P
by
8.7k points
2 votes
A. |-9| = 9
Because when a number is between those lines, that means it's the absolute value of that number, or number of places from 0 on a number line.
User Hannojg
by
8.4k points
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