Question

What type of quadratic equation is represented in the graph below?


Answer
Perfect Square Trinomial
Non-factorable Trinomial
Not enough information
Difference of Two Squares

Answer 1

This quadratic has two real zeros which are rational numbers. Furthermore, these two zeros are equal but opposite in sign. So this is a difference of two squares.


In this case, it's (x+2)(x-2) = x^2 - 4

Answer 2

y=x^2 - 4