Answer: The slope m of the line through any two points (x 1, y 1) and (x 2, y 2) is given by: The y-intercept b of the line is the value of y at the point where the line crosses the y axis. Since for point (x 1 , y 1 ) we have y 1 = m x 1 + b , the y-intercept b can be calculated
Explanation: