1.Find the equation of the line whose slope (m) is 5 and the y-intercept (b) is 7 using the equation y=mx + b ,substitute the slope and the y-intercept . 2.Find the equation of the line that has a slope(m) of -4/5 and y-intercept (b) of -1 Using equation y=mx+b,substitute the slope and they y-intercept