Seven possible descriptions of lines are listed below.

i. positive slope.              ii. negative slope

iii. y-intercept equals 0      iv. passes through the point (1,2)

v. slope of zero.               vi. positive y-intercept

vii. negative y-intercept

For each equation, list all of the descriptions i-vii that describe the graph of that equation.

a.y=2x.                       b.y=3-3x

c. y=2x+3.                  d. y=5x-3

e. y=2