Question

The slope of the graph of a direct variation function is 4 What is the equation of the function?

1. y=1/4x
2. y=4x+1
3. y=-4x
4. y= 4x

Answer 1

4. y= 4x

Explanation:

y=mx is the form for direct variation

m- is the slope

for the slope of 4, the equation is:

y=4x

So the choice 4