The quadratic formula is...

your a will be in front of your x^2, b in front of your x, and c will be the number without an x. Plug those into the equation and you'll get two answers. That will be it
Answer:
$1.5
Step-by-step explanation:
$7- 5.50= 1.5
Tru because she say that siry
It depends on the line or parabola that you are talking about, more information would be needed to answer this correctly.