Question

Function: y= x^2 + 5x - 7
Vertex:
Solutions:
( , ) and
( , )

Answer 1

Vertex is (-2.5, - 13.25) and x=(-5±sqrt(53))/2

Explanation:

x^2+5x-7

x^2+5x+(2.5)^2-(2.5)^2-7

(x+2.5)^2-13.25. Vertex is (-2.5, - 13.25)

Solution of the functions are x=(-5±sqrt(53))/2