For y = 3x + 1, where does the line cross the y axis? For y = 3x + 1, plotting a point when x is 1 yields what y? What does the equation y = 3 look like when graphed?

1)For y = 3x + 1, where does the line cross the y axis?

0

1

3

2)For y = 3x + 1, plotting a point when x is 1 yields what y?

3

4

3)For y = 3x + 1, the y-intercept is 1, so a point can be drawn at x = 0 and y = 1, namely up 1 on the y axis. A second point can be drawn by going to the right 1 and going up .

1

3

4)For y = -2x + 3, what is the slope?

-2

2

3

5)

What does the equation y = 3 look like when graphed?

A vertical line

A horizontal line