Question

For the point (5, -9), what is x? A. -9 B. -5 C. 5 D. 9

Answer 1

The answer is:  [C]:  5 .
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  We are given the point:  (5, -9) ,   the x-coordinate (or "x-value") is "5", and the "y-coordinate" is "-9".    On a two dimension Cartesian plane,  a point is written in the format:  (x, y) .   Hope this helps.
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