Complete the square to transform the expression x^2+4x 2 into the form a(x − h)2 + k.

Step-by-step explanation:

we have the expression

Convert to vertex form

where

a is the leading coefficient

(h,k) is the vertex

Complete the square

Rewrite as perfect squares

so

The coefficient a =1

The vertex is the point (-2,-2)

idk

step-by-step explanation:

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204