Question

What is an equation for the line with slope 2/3 and y-intercept 9?

Answer 1

y = (2/3)x + 9

Answer 2

Well if you want it in slope intercept form:

Starts with y= and then you put the slope with x, and then the y intercept.
y=2/3 x +9

Answer 3

The slope-intercept form of a line is
y = mx + b,
where m = slope, and b = y-intercept.
Since you are given the slope and the y-intercept, all you need to do is substitute them into the slope-intercept form.