Question

How is the graph of y = 1.5x different from the graph of y = 1.5x + 3?

Answer 1

The value of y in the 2nd equation is always greater if you choose the same value of x.

Explanation:

assume we take x=1

y=1.5 in the first eq.

y=1.5 + 3 = 4.5 in the 2nd eq.