5.4 Point Slope Form.

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Presentation transcript:

5.4 Point Slope Form

Overview Point-Slope Form Graphing Using Point-Slope Form Writing an Equation in Point-Slope Form Writing an Equation Using a Table Forms we’ve learned so far… Slope-Intercept Form: y = mx + b

Point-Slope Form Slope Ordered pair

Point-Slope Form We know the point (-2, -2), so x1 = -2 and y1 = -2 1. Write the equation in Point-Slope Form of the graph below: (x1, y1) = (-2, -2) We know the point (-2, -2), so x1 = -2 and y1 = -2 (x, y) We know the slope is 2/3 Plug it into the Point-Slope Form:

Write an Equation in Point-Slope Form Given a Point and a Slope y + 3 = 4(x + 1) 5. (-10, 0); Slope = 2 y = 2(x +10) 6. (-4, 3); Slope = -6 y – 3 = -6(x +4)