Question

in the xy - plane, the x - axis contains all ordered pairs such that: a. the x and y - coordinates are 0. b. the y - coordinate is 0. c. the x - coordinate is 0.

Explanation:

In the xy - plane, any point on the x - axis has a y - coordinate of 0 while the x - coordinate can be any real number. Points on the x - axis are of the form (x, 0) where x is a real number.

Answer:

B. the y - coordinate is 0.