Question

PLEASE HELP!!!!!

A quadratic equation is shown below:

9x2 − 16x + 60 = 0

Part A: Describe the solution(s) to the equation by just determining the radicand. Show your work. (5 points)

Answer 1

I assume that we have to get the discriminant first.

Answer 2

ax^2 + bx + c + 0

9x2 − 16x + 60 = 0

a = 9
b = -16
c = 60

Answer 3

@Juliamariah

For this problem, what is the value of b^2 - 4*a*c

Answer 4

@Directrix
-2416

Answer 5

When you squared the -16, did you get a positive number?

Answer 6

no

Answer 7

i got -256

Answer 8

b^2 - 4*a*c

(-16)^2 - 4 * (9 ) * (60) =

256 - ?

Answer 9

-1904

Answer 10

Correct.

Answer 11

Click on the attachment in the second post I made in this thread and see how the roots are described.

Answer 12

Nature of the roots

Click on attachment here vvvvv

Answer 13

Do you see that the roots are not real.

Answer 14

Yes

Answer 15

Did you post part b ? @Juliamariah

Or, do you have a question about part A?

Answer 16

No all I had was a question on part a.

Answer 17

Okay.

Answer 18

Thank you for your help.