Ask your own question, for FREE!
Mathematics 16 Online
OpenStudy (anonymous):

Which of the following shows the factors of 2y^2 - 2y - 4? Select one of the options below as your answer: A. (2y - 4)(y - 1) B. (2y - 4)(y + 1) C. (2y - 2)(y - 2) D. (2y - 2)(y + 2)

OpenStudy (anonymous):

i chose c? not sure tho

OpenStudy (anonymous):

let me check with that

OpenStudy (anonymous):

ok ty

OpenStudy (anonymous):

not C

OpenStudy (anonymous):

B

OpenStudy (anonymous):

do you know how to do it? do you want me to show you how i got the answer?

OpenStudy (anonymous):

no i dont know how to do it. can you please explain it?

OpenStudy (anonymous):

yeah sure

OpenStudy (anonymous):

ty

OpenStudy (anonymous):

\[2y ^{2}-2y-4=0\]

OpenStudy (anonymous):

you do this 2y -4 y 1 if you cross multiply them and add they should give you 2y which is the one in the middle which would be 2y + (-4y) = -2y

OpenStudy (anonymous):

ty

OpenStudy (anonymous):

then obviously you did it wrong because it has to be one of the choices

OpenStudy (anonymous):

yeh ur ryt its B

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!