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標題:
Number and Algebra?
發問:
The sum of two integers is 15 and their product is less than 36. (a) Let x be one of the two integers.Set up a quadratic inequality in x. (b)How many pairs of integers can satisfy the given conditions if both integers are positive?
最佳解答:
其他解答:
Number and Algebra?
發問:
The sum of two integers is 15 and their product is less than 36. (a) Let x be one of the two integers.Set up a quadratic inequality in x. (b)How many pairs of integers can satisfy the given conditions if both integers are positive?
最佳解答:
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a) let the other integer be y x+y=15 x+15-y (x)x(y)<36 x<36/y b)all possibilities for first statement x+y=15 (1+14),(2+13),(3+12),(4+11),(5+10),(6+9),(7+8) for second statement (x)x(y)<36 only (1x14)and(2x13)are lees than 36 so 2 pairs其他解答:
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