Systems of Linear Equations

Objective: Students will develop and understanding of linear equations. Also students will learn that parallel lines have equal slopes. Students will also learn how to recognize perpendicular slopes. Students will also know how to find a solution to a system of linear equations.

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Name:
Date:

Directions:

Use the applet to answer the following questions.

What happens to “b” when “m” is changed?

What happens to “m” when “b” is changed?

What is the relationship between the two lines when m_1=m_2?

What kind of angle do the lines create if m_1=-1 and m_2=1?

What are the coordinates of the intersection of y_1=2x+1, and y_2=-1/2 x+3?

Mr. Daniel Bracken, October 18, 2010, Created with GeoGebra