Question

help for medal and fan !

Answer 1

@TheTerrence @TechnoSoul @ophercule

Answer 2

\(z\) value of the vertex is \(-\frac{b}{2a}=-\frac{-4}{2\times 1}=2\)

Answer 3

i got B as my answer

Answer 4

2

Answer 5

its B..

Answer 6

You need to use zeroes to find the x-intercept of the vertex first which right in the middle of zeroes of the equation.

Answer 7

The zeroes of y are 5 and -1.The x interept of vertex equals (-1+5)/2 =2