Does point (a, 4a) lie on the graph of y = 4x?

[mathdad]

Determine if the given point lies on the graph of the equation.

(a, 4a); y = 4x

Solution:

Let y = 4a

Let x = a

y = 4x

4a = 4a

Yes, the point (a, 4a) lies on the graph of y = 4x.

Correct?

 

[Greg]

Correct.

 

[mathdad]

I'm cooking with gas.