SOLUTION: Given the points: (1,2), (2,4), (3,6) the constant of variation is: • 2 • 1/2 • not a direct variation

Algebra ->  Graphs -> SOLUTION: Given the points: (1,2), (2,4), (3,6) the constant of variation is: • 2 • 1/2 • not a direct variation       Log On


   

Question 886662: Given the points: (1,2), (2,4), (3,6) the constant of variation is:
• 2
• 1/2
• not a direct variation
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Look at the way x and y are related.
1 and 2;
2 and 4=2*2;
3 and 6=2*3.
See that this is x and 2*x.

How does x vary with y?
x varies directly with y. The proportionality constant is 2.