Question

Find the coordinates of the zeros and the vertex in order to graph the parabola represented by the

equation y = -(x - 1)(x - 5).

Answer 1

Explanation:

y = (-x+1)(x-5)

zeroes

(-x+1)(x-5) = 0

-x + 1 = 0

x = 1

(1,0)

x -5 = 0

x = 5

(5,0)

Vertex

y = (-x+1)(x-5)

y = -x²+5x + x - 5

y = -x² + 6x - 5

x coordinate

-6/-2

3

y coordinate

-(3)² + 6(3) - 5

-9 + 18 - 5

- 14 + 18

4

V(3,4)