5.7 – Writing equations from 2 points

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Presentation transcript:

5.7 – Writing equations from 2 points Textbook pg. 315 Objective: The student will understand point-slope form in order to write and graph linear equations.

Slope formula: Point-Slope formula: Write an equation in slope intercept form: 1) (1, -4) & (3, 2) 2) (6, 3) & (0, -1)

Write an equation for the function Find the cost for 18 lines 3) The cost (c) to place an ad in the newspaper is a function of the number of lines (n) in the ad. Write an equation for the function Find the cost for 18 lines Lines Cost 3 13.50 5 18.50 10 31 4)

Name Date Period HW - Finish 5A Study Guide for test TOMORROW!