Solve: 8x2 = -24x. Your answer should include the complete solution set.
{0, 3}
{-3, 3}
{-3, 0}
{-3, 0, 3}
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OpenStudy (anonymous):
I NEED HELP
hero (hero):
Hint: add 24x to both sides
OpenStudy (anonymous):
First put the equation in general form
8x^2+24x=0
Then take out the common factor 8x
8x(x+3)=0
Using the Zero Factor Theorem
Either 8x=0 or x+3=0
Hence x=0 or x=-3
OpenStudy (anonymous):
Is this a multiple choice question?
OpenStudy (anonymous):
YES
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OpenStudy (anonymous):
Well what do you think the answer is?
OpenStudy (anonymous):
-3,0
OpenStudy (anonymous):
AM I RIGHT???
OpenStudy (anonymous):
Yes...:). I like to draw it on the number line, if this helps with visualizing.
OpenStudy (anonymous):
It starts at -3 and ends at 0.
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OpenStudy (anonymous):
OKAY
OpenStudy (anonymous):
IM ABOUT TO PUT ANOTHER QUESTION UP
OpenStudy (anonymous):
Okay, don't forget to select best answer to the person who you think deserves it most :).
OpenStudy (anonymous):
And try working the question first and then let us know where you get stuck or if you have no clue then let us know so we can guide you and give you pointers :). All the best!!!