Find the slope of these 2. Click to enlarge.

Whats the name of the vertical axis

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.