Exsplain how to use a number line to show that opposite quantities combine to make 0.
1 answer:
Answer:
- Add a positive number to a number by counting up from that number, and add a negative number to a.
- number by counting down from that number.
- An integer plus its opposite sum to zero.
- The opposite of a number is called the additive inverse because the two numbers' sum is zero.
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