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How many values of  satisfy both of the following conditions?
(a)  x is a multiple of 7, not necessarily positive.
(b)  x2 is less than 500.

 Aug 10, 2020
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If \(x^2\) is less than 500, then X is at most 22 and at least -22. There are 6 numbers: -21, -14, -7, 7, 14, 21.

 

I hope this helped.

 Aug 10, 2020

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