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Mathematics 24 Online
OpenStudy (anonymous):

help?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Indeed. We seem to run into each other a lot... :P

OpenStudy (anonymous):

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OpenStudy (anonymous):

I helped you with this before, remember?

OpenStudy (anonymous):

that is correct

OpenStudy (anonymous):

You have to find the pattern of the numbers. Yes, kenny but can you explain to him how you got the answer so he knows how to do it?

OpenStudy (anonymous):

i'm actually a girl....RenOwnd but its okay.

OpenStudy (anonymous):

My mistake. Sorry.

OpenStudy (kc_kennylau):

The difference is 19, so that gives you y=19x+c Now you just have to find the c, which is possible by putting x=0 and y=9: c=9 Therefore the equation is y=19x+9

OpenStudy (anonymous):

kc_kenny is indeed correct, and has explained it well enough that you should get it now.

OpenStudy (kc_kennylau):

And on the other hand, you can graph this and find that it's actually a straight line

OpenStudy (anonymous):

its fine:) how would you know its only the internet.....:) But i have my answer choice and that answer is not here....

OpenStudy (anonymous):

What are your answer choices?

OpenStudy (kc_kennylau):

And the slope will be \(\dfrac{28-9}{1-0}=19\)

OpenStudy (anonymous):

the choices are: y= 9+ 19x Y= 18+ 10x y= 19+9x Y= 10+18x

OpenStudy (kc_kennylau):

and the equation: \(\dfrac{y-9}{x-0}=19\color{red}\rightarrow y-9=19x\color{red}\rightarrow y=19x+9\)

OpenStudy (ranga):

The first one.

OpenStudy (anonymous):

Yeah the first one.

OpenStudy (kc_kennylau):

yep the first one

OpenStudy (anonymous):

oh okay so it was just backwards.....

OpenStudy (anonymous):

wheee

OpenStudy (anonymous):

Pretty much :)

OpenStudy (anonymous):

alrighty then:) thanks everyone:)

OpenStudy (kc_kennylau):

no problem :)

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