Ask your own question, for FREE!
Mathematics 9 Online
OpenStudy (anonymous):

quick quadratic word problem help?

OpenStudy (anonymous):

if the equation 6x^2+18x+c=0 has equal roots, find the roots and the value of c.

OpenStudy (ribhu):

equal roots are existent when D=0

OpenStudy (ribhu):

D =b^2=4ac equation ax^2+bx+c=0

OpenStudy (ribhu):

D=b^2-4ac (correct formula) now just feed in values and get answer

OpenStudy (ribhu):

@lordofpens see please if u cud do this

OpenStudy (anonymous):

oh sorry, i will try

OpenStudy (anonymous):

i dont quite understand

OpenStudy (anonymous):

D=13.5

OpenStudy (anonymous):

jk i got it

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!
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!