Question

If you change the y-intercept in the equation y = -2x + 5 to y = -2x + 1, how will its graph change

Answer 1

It will move the graph down 4 units.

Answer 2

thanks i have another question
Identify the slope of the line for the graph of the following proportional relationship: the number of girls is half the number of boys in the class.
A.1
B.2
C.1/4
D.1/2

Answer 3

Well it depends on what variable is defined with boys and what variable is defined with girls. I am guessing girls as x and boys as y so B