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Mathematics, 01.11.2020 01:30, erniewernie
Explain why you add to find the sum of two negative integers, but subtract to find the sum of the positive and negative integer. Use a number line or counters in your explanation?
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Answers: 2
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Pick the expression that matches this description: a polynomial of the 5th degree with a leading coefficient of 7 and a constant term of 6 (choice a) 7x^5+2x^2+6 (choice b) 7x^6−6x^4+5 (choice c) 6x^7−x^5+5 (choice d) 6x^5+x^4+7
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Explain why you add to find the sum of two negative integers, but subtract to find the sum of the po...
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