Question

In a quadratic formula, when you have:

Answer 1

\[b ^{2} - 4ac \]

Answer 2

Would you subtract B and 4ac?

Answer 3

that is called the discriminant

Answer 4

Like this:
-49 - 16

Answer 5

Would you end up having 33 or 65?

Answer 6

Really? Good to know since I usually am bad with terminology hehe

Answer 7

Its called the discriminant and its used to determine the number and type of zeros of a quadratic function

Answer 8

Yes but would you end up with -33 or -65?

Answer 9

give me some context ... what a,b,c are you working with

Answer 10

A = 1 B = -7 C = 4

Answer 11

ok its 33 then
\[(-7)^{2} -4(1)(4) = 49 -16 = 33\]
remember anything squared is always positive

Answer 12

OHHHHHHH I was so confused in the lesson, I forgot about that rule thank you so much you saved me much trouble in the future.

Answer 13

no problem...it might help when you plug the numbers into formula to use parenthesis so you remember to square the neg