Question

For homework Tina is asked to write down the opposite value for each number listed which comparison did Tina write incorrectly

Answer 1

In writing down the opposite value of each number, the comparison Tina wrote incorrectly is: Comparison X

Recall:

• Opposite values of a number are numbers that are of the same distance from point zero on a number line.

• For example, if a is a number, the opposite of a is -a. Or if -3 is a number, the opposite of -3 is 3 because -3 and 3 are both 3 units away from point zero on a number line.

Thus, Tina's comparison is given in the diagram attached below.

The comparison labelled X is incorrect because -(-9) = 9. Opposite of 9 is -9.

Therefore, in writing down the opposite value of each number, the comparison Tina wrote incorrectly is: Comparison X

Learn more about opposite value of a number on:

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