Question

identify the vertex y = -5x^2 + 10x + 3

Answer 1

use formula for axis of symmetry x =-b/2a then plug in x to get y and make ordered pair

Answer 2

a=-5
b=10

Answer 3

-10/2(-5) = -10/-10= 1

Answer 4

y=-5(1)^2+10(1)+3
y = -5+10+3
y=5+3
y=8
(1,8) is the vertex