The midpoint of PR is (-6,9).
P = (-15,4)
What are the coordinates of point R?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.