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

Solve the inequality. Write solution in interval notation. x^3-49x≤0

myininaya (myininaya):

Can you solve the equation x^3-49x=0?

OpenStudy (anonymous):

Im awful at math.. im so lost

myininaya (myininaya):

Ok. Well do you know how to solve the equation: \[x^3-49x=0\] I'm not asking you to look at the inequality just yet. But before you solve this type of inequality you must be able to solve equalities like the one I'm asking you solve. In order to solve this equality you must know how to factor. Do you know how to factor x^3-49x?

OpenStudy (anonymous):

no....

myininaya (myininaya):

Do you know what x^3 and 49x have in common (as far as factors)?

OpenStudy (anonymous):

the x?

myininaya (myininaya):

yep so you can factor the x. So how do you factor x^3-49x?

myininaya (myininaya):

i will give you a hint |dw:1394414656993:dw| what goes inside the parenthesis?

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!