What is the absolute value of -9 on a number line?

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Multiple Choice

What is the absolute value of -9 on a number line?

Explanation:
Absolute value is the distance from zero on the number line, so it’s always a nonnegative number. For -9, you’re 9 units away from zero (nine steps to the left), so the distance is 9. Therefore the absolute value is 9. It’s not -9 because absolute values are not negative, not 0 because the distance isn’t zero, and not 18 because that would be the distance from -9 to 9, not from zero.

Absolute value is the distance from zero on the number line, so it’s always a nonnegative number. For -9, you’re 9 units away from zero (nine steps to the left), so the distance is 9. Therefore the absolute value is 9. It’s not -9 because absolute values are not negative, not 0 because the distance isn’t zero, and not 18 because that would be the distance from -9 to 9, not from zero.

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