Question

Use the quadratic formula to find the roots of y=ax^2+bx+c

Answer 1

Just write down the formula, that is your answer.

Answer 2

oo ok its that simple

Answer 3

Well, that's where the a b and c in the formula come from....

Answer 4

ye i know but it was a question for an investigation so i thought there was more thinking behind it :)

Answer 5

You could investigate how you get the formula from the equation but that wasn't the question.

Answer 6

Ok so if we find the avrg of the two roots = -b/2a, assuming the discrimant>0, explain why (h,k) is the vertex of this parabola.

Answer 7

You should post a separate question otherwise things get confusing....

Answer 8

no cze its based on the previous one

Answer 9

Well, it's up to you....

Answer 10

okk

Answer 11

Believe me, it is better to make a new question..:-)