The graph of the line 1 is shown at right. a. Write the equation of the line

The graph of the line ℓ1 is shown at right.
a. Write the equation of the line ℓ1.
b. The line ℓ2 is the image of the line ℓ1 translated right 8 units. Sketch the line ℓ2 and write its equation in a way that shows the horizontal translation.
c. The line ℓ2 also can be thought of as the image of the line ℓ1 after a vertical translation. Write the equation of the line ℓ2 in a way that shows the vertical translation.
d. Show that the equations in 15b and 15c are equivalent.