How does the value of a, h, or k affect the vertex for the graph of each function compared to the parent function f(x) = x2?
7. g(x) = (x – 8)2
8. h(x) = (x + 4)2 + 12
9. j(x) = -3x2 + 8

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.