A proportional relationship between x and y is shown in the graph below. (a) Besides the origin, give the coordinates of the two
marked points on the line, A and B. A: ____________ B: ____________ (b) For both points, calculate the ratio of y to x.
Simplify all fractions. A: y
x
 B: y
x
 (c) What is the slope of this line? (d) What is the equation of this line when solved for y in terms of x?