Question

Any line with an undefined slope is parallel to the



x-axis


y-axis


line y = x

Answer 1

here are some examples to look at.

Answer 2

If you pick two of those points and use them to find the slope here is what you getany fraction that has a 0 in the numerator is equal to 0. So a line that is parallel to the x axis is a "y = " line and has a slope of 0. That's the first one. Now moving on...