Question

What are the coordinates of the vertex of the function f(x)=x2+10x-3?

(-5, -28)
(-5, 28)
(5,-28)
(5, 28)

Answer 1

A) -5, -28 is correct!

Explanation:

Answer 2

(-5, -28)

Explanation:

`f(x) = {x}^(2) + 10x - 3`

`= f(x) = {1x}^(2) + 10x - 3`

= a = 1, b = 10

`= x = (10)/(2 * 1)`

`= x = - (10)/(2)`

= x = -5

`= f(x) = {x}^(2) + 10x - 3..x = - 5`

`= f( - 5) = - 28`

= (-5, -28)