Question

The variables a and b represent positive numbers. When you find the difference a - ( - b), do you expect the result to be less than or greater than a? What is a is negative and b is positive? Explain.

Answer 1

Greater than a

Explanation:

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Answer 2

You expect the result to be greater than a.

Explanation:

For this example, use 3 for a and 3 for b 3 - (- 3) = 6. If a was negative and b positive, than the problem would look like -3 - 3, which would equal -6.