What is the y-coordinate of the y-intercept of the line that passes through the point (2,-3) and has slope 1/2?
We have this equation :
y = mx + b where b is the y intercept and ( x, y) is a point on the graph....so we have
-3 = (1/2)(2) + b
-3 = 1 + b subtract 1 from both sides
-4 = b
