|hahaWe are trying to find equation of form y=ax+b, where a is slope, and b is intercept, which passes through points (x1, y1) = (0, 0) and (x2, y2) = (1, -3).|
Slope a is .
Intercept is found from equation , or . From that,
intercept b is , or .
y=(-3)x + (0)