I think this is the right forum, probably wrong but oh well :)

f(x)=ax3-3x. The point (-2,0) lies on the graph of y=f(x). Find the value of a.

Thanks for the future help ppl.

xxJoJoxx

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- Jan 15th 2007, 07:35 AMjojoIm so stuck point on graph
I think this is the right forum, probably wrong but oh well :)

f(x)=ax3-3x. The point (-2,0) lies on the graph of y=f(x). Find the value of a.

Thanks for the future help ppl.

xxJoJoxx - Jan 15th 2007, 07:47 AMCaptainBlack
- Jan 15th 2007, 07:54 AMjojo
Hello again :D soz to ask but theres a b bit :) I swear I'm actually good at maths I've been off for 2 weeks tho :(

"Find the coordinates of the point where the line 8y-6x=48 cuts the X-axis."

I think its that x=0 thing but cant remember. Thanks again - Jan 15th 2007, 07:57 AMCaptainBlack