Question 550629
what is absolute value
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It's the magnitude, or size of the expression.
It's the distance from zero.
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eg |-4| = 4
|4| = 4
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The absolute value is always positive.
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|x| = 3 has 2 solutions
x = -3 and x = 3
|-3| = 3 and
|3| = 3
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|z| = -5 has no solutions, the ABS cannot be negative.