 1. If 2x + 5y = –20 and x = 0, what is y ? 2. What is the slope of the line containing the points (2, 7) and (3, –10) ?

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Presentation transcript:

 1. If 2x + 5y = –20 and x = 0, what is y ? 2. What is the slope of the line containing the points (2, 7) and (3, –10) ?

 Objective(s): Students will determine equations of lines.  Why? So you can find monthly gym costs, as in Example 4.  Mastery is 80% or better on 5 Minute checks and practice questions.

 Write an equation of the line passing through the point (– 1, 1) that is parallel to the line with the equation y = 2x – 3.

 Homework 2-22 all Page 175

 What have you noticed about Parallel and Perpendicular Lines? Specifically, What have you noticed about the slopes?  Share with a partner after  Report out our findings

 What have you learned today?  What was the Objective(s)  Students will determine equations of lines.

 Page  # 2-40 even