Question

PLEASE HELP!!!!!!!!!!! :) <3 !!!!!!!!!!!!!!! :( :'(

A quadratic equation is shown below:

9x^2 - 16x + 60 = 0

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

Part B: Solve 4x^2 + 8x - 5 = 0 by using an appropriate method. Show the steps of your work, and explain why you chose the method used.

Part C: Solve 2x^2 -12x + 5 = 0 by using a method different from the one you used in Part B. Show the steps of your work.

Answer 1

@ganeshie8 @satellite73 @mathmale

Answer 2

@SolomonZelman

Answer 3

Have you tried attempting this?

Answer 4

i don't know what to do

Answer 5

Ok:) ax^2 + bx + c =0
Label your a's b's and c's. Then plug it into the quadratic formula just like this:
\[x= \frac{ -16\pm \sqrt{16^2-4(9)(60)} }{ 2(9) }\]

Answer 6

ok, but what is the discriminant?

Answer 7

@YanaSidlinskiy ?