By next Friday 9 /16, please watch the two videos on point-slope form and practice a few of the of problems from the exercise. If you are struggling, come prepared with questions.
https://www.khanacademy.org/math/algebra/two-var-linear-equations/point-slope/v/idea-behind-point-slope-form
https://www.khanacademy.org/math/algebra/two-var-linear-equations/point-slope/v/idea-behind-point-slope-form