Ab contains the points a(7, -11) and b(8,17). find the slope of a line perpendicular to ab
a. undefined
b.-1/28
c.1/28
d.28

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?

Find four solutions of the given function. write the solutions as ordered pairs. 4x – y = 4