This graph represents a quadratic function What is the value of a in the function's equation?
A. 2
B. -1/2
C.1/2
D.-2

True or false? a circle could be circumscribed about the quadrilateral below.

How does reflecting or rotating a figure change the interior angles of the figure?

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?