Inline Dropdown Question

This is a ​____
relationship. The y-intercept is ​____
and the slope is ​_____
. The equation of the line is slope-intercept form is ​____.

1 option: proportional or no proportional

2 option: 2 or 1/2 or (1,0) or (0,1)

3 option: 2 or 1/2 or (1,0) or (0,1)

4 option: y=1x+2 or y= 1/2x+1 or 2x+1 or y=1/2x

This is a proportional relationship. The y-intercept is (0,1) and the slope is 2. The equation of the line in slope-intercept form is y = 2x + 1.