The vertex of this parabola is at (3,5). When the value is 6, the x value is -1. What is the coefficient of the squared term in the parabola's equation?
(3,5)
10
10
10

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.