11. The formula for calculating the slope of a line from the points (x₁, y₁) and (x,y) is
given by the following equation for questions 2-3. m=₁ The point-slope form of a
x-x1
line is as follows: y-y₁ = m(x-x₁) Rearrange the slope formula to get the point-slope
form of a line.