Is
-f(x)
the same as
f(-x)

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Are the corresponding angles congruent? explain why or why not.