The equation of a linear function in point-slope form is y - y1 = m(x - xt). harold correctly wrote the equation y = 3(x - 7) using a point and the slope. which point did harold use? when harold wrote his equation, the point he used was (7,3). when harold wrote his equation, the point he used was (0, 7). when harold wrote his equation, the point he used was (7,0). when harold wrote his equation, the point he used was (3, 7).