For the point (5, -9), what is x?
a. -9
b. -5
c. 5
d. 9

The answer is:  [C]:  5 .

  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.

The answer is 6 weeks