Homework Help: graphing an equation

Posted by Ryan on Sunday, August 22, 2010 at 7:17pm.

I am getting stuck on graphing equations.

when something says y=1/2x-4.....I am supposed to put in numbers for x. however, I am stuck on the concept of how to divide by the fraction. Lets say x=2

y=1/2(2)-4

I am totally stumped on if I need to make two into a fration or mulitply two by the denominator.

graphing an equation - Damon, Sunday, August 22, 2010 at 7:20pm
I think you mean
y = x/2 - 4

then if x = 2
y = 1-4 = -3
graphing an equation - Ryan, Sunday, August 22, 2010 at 7:31pm
awesome. thank you sir!
graphing an equation - tim, Monday, August 30, 2010 at 6:49pm
how would you graph 12x-3y=7 and x=2+13y?

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