SOLUTION: Let y vary directly with x, with a constant of variation k = 3. Graph the equation of variation. I remember doing this and you divide the x/y = 3 but this is as far as I got. C

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Question 68573: Let y vary directly with x, with a constant of variation k = 3. Graph the equation of variation.
I remember doing this and you divide the x/y = 3 but this is as far as I got. Can someone please help me. Thanks
Answer by funmath(2873) About Me  (Show Source):
You can put this solution on YOUR website!
Let y vary directly with x, with a constant of variation k = 3. Graph the equation of variation.
y varies directly with x is: y=kx
k=3, so
y=3x
Let x=0 and solve for y:
y=3(0)
y=0 plot (0,0)
Now let x=2 and solve for y:
y=3(2)
y=6 Plot (2,6)
Connect the two points and you have a line:
graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C3x%29
Happy Calculating!!!