Ask
your own question, for FREE!

Mathematics

OpenStudy (anonymous):

find the discrimiant

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

OpenStudy (anonymous):

the discriminant is b^2-4ac where a=8 b=18 c=-5 18^2 - 4(8)(-5) =484

OpenStudy (anonymous):

OpenStudy (anonymous):

a=-12 b=5 c=2 5^2 - 4(-12)(2) =121

OpenStudy (anonymous):

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

a=9 b=-6 c=-4 -6^2-4(9)(-4) =108

OpenStudy (anonymous):

its asking me to find the solution for the last two

OpenStudy (anonymous):

using the quadratic equation?

OpenStudy (anonymous):

iive already work out the problem i just need someone to do it so i can see what they get

OpenStudy (anonymous):

did you use the quadratic equation though?

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

for the 2nd to last = -5 (+or -) squareroot(121)/-24 so x = -1/4 or x = 2/3

OpenStudy (anonymous):

last one 6(+or -) squareroot(108)/16 x = (1+root3)/3 or x = (1-root3)/3

OpenStudy (anonymous):

did you get that?

OpenStudy (anonymous):

yeah

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

OpenStudy (anonymous):

a=1 b=3 c=3 no solutions to the discriminant as it is negative ( what level maths are you at) therefore there is no solution

Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!

Join our real-time social learning platform and learn together with your friends!

Latest Questions

Itzlizzy:
You have been asked to write an informative article on the importance of healthy eating for an elementary school newspaper.

2 hours ago
5 Replies
3 Medals

alexiaellis:
two large numbers of the fibonacci sequence are F(50)= 12,568,269,025 and F(51)= 20,365,011,074.

4 hours ago
1 Reply
1 Medal

YNWMelly:
Typically investors purchase stock from: a. A broker. b. A family member or friend.

8 hours ago
1 Reply
2 Medals

ikr2002:
Explain how special right triangles, reference angles, and quadrants of a coordinate grid help us find the exact answer to the following: cos 210u00b0.

8 hours ago
16 Replies
4 Medals

ikr2002:
If Ziggyu2019s Taco Shop delivers dinners with a mean time of 21 minutes and a standard deviation of 4 minutes and Sheilau2019s Burrito Emporium delivers di

10 hours ago
19 Replies
5 Medals

gababb09:
Why was Virginia more likely to trade with Massachusetts than Georgia? A.u00a0Virginia and Georgia produced similar crops.

10 hours ago
8 Replies
1 Medal

hhanan:
The Founding Fathers wrote in the Declaration of Independence about how the Briti

11 hours ago
0 Replies
0 Medals

hhanan:
It was not until the presidencies of Johnson and John F. Kennedy that Republicans

11 hours ago
0 Replies
0 Medals