One point on the line. Finding the Equation of a Line Given a Point and a Slope 1 - Cool Math has free online cool math lessons cool math games and fun math activities. Horizontal and Vertical Lines.
Formula to find the slope of the line passing through two points is m y 2 - y 1 x 2 - x 1 Substitute x 1 y 1 1 2 and x 2 y 2 -4 5.
Finding the Equation of a Line Given a Point and a Slope. The equation of the line in slope-intercept form is Type your answer in slope-intercept form. Set up the slope formula. Slope Formula Slope can also be calculated as the ratio of the change in the y-value over the change in the x-value.