Question

x2 + 6x -55 = 0 and root1 = 5, root2 = -11

-b/a= ?/?

Answer 1

-b/a is the sum of the roots.
-6/1 = -6 :)

Answer 2

root 1+root 2 gives us -b/a which is -6

Answer 3

i know I have -6 i just didnt know whether to put -6/1 or -6/x^2

Answer 4

-6/1. It's the coefficients.

Answer 5

You take only the numbers that stand by x's. x^2 = 1*x^2.

Answer 6

You only consider the coefficients as calcmathlete rightly said !

Answer 7

okay thanks all of you

Answer 8

You're welcome :)