Point-Slope Form of an Equation

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Presentation transcript:

Point-Slope Form of an Equation Write each equation in point-slope form using the given point and slope. That was easy Hey, this stuff is really pretty easy.

Point-Slope Form The Other Way For each equation name the slope and the coordinates of the given point. Asi de Facil Hey, this stuff is pretty easy too.

More Point-Slope Form Practice Write each equation in point-slope form using the given point and slope. That was easy Asi de Facil

Finding an Equation of a Line Find an equation of the line that has a slope of 3 and passes through the point (1, -2). Since the slope and the coordinates of one point are known, you can start out with the Point-Slope Form. Replace m, x1, and y1 with the given information. Simplify the resulting equation. Solve the resulting equation for y. Your final result is in Slope-Intercept Form.

More Finding Equations Lines A line passes through the given points. Write an equation for the line in point-slope form. Then rewrite the equation in slope-intercept form. That was easy

Homework Page 318: 8 – 11 All Page 319: 19 -21 All

Graphing Equations from Point-Slope Form 10 8 6 4 2 -2 -4 -6 -8 -10 y x slope point slope -10 -8 -6 -4 -2 2 4 6 8 10

Graphing Equations from Point-Slope Form 10 8 6 4 2 -2 -4 -6 -8 -10 y x slope point slope -10 -8 -6 -4 -2 2 4 6 8 10

Writing an Equation Using 2 Points 10 8 6 4 2 -2 -4 -6 -8 -10 9 -6 -10 -8 -6 -4 -2 2 4 6 8 10

Writing an Equation Using 2 Points 10 8 6 4 2 -2 -4 -6 -8 -10 6 5 -10 -8 -6 -4 -2 2 4 6 8 10

Homework Page 318: 16, 17, 18