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What is the value of \(\lvert -18\rvert\)?

Answer and explanation

Correct answer: 18

The absolute value represents a number’s distance from zero, so it is always non-negative. The distance of \(-18\) from zero is 18; therefore, \(\lvert -18\rvert=18\). Option A is incorrect because it is the original number, not its absolute value. Exam tip: To find the absolute value of a negative number, remove its negative sign.

Related tags

Real NumbersAbsolute ValueNumber LineNumber SystemsMathematicsClass 9 Mcq

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