The solutions of a quadratic equation are 5 and -1. What is the factored form of a related quadratic function?

a
f(x) = (x + 5)(x - 1)
b
f(x) = (x + 5)(x + 1)
c
f(x) = (x - 5)(x - 5)
d
f(x) = (x - 5)(x + 1)

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Ill mark the brainliest if you me with the these three questions 7,8,9

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex