3.7 Equations of Lines in the Coordinate Plane

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Presentation transcript:

3.7 Equations of Lines in the Coordinate Plane By Brit Caswell

Student Objectives and EQ Students will graph and write linear equations. How do certain facts such as slope and a point on the line help to determine the graph of an equation?

A little review…

The four types of slope

Find the slopes of these lines

We will look at two types of equation layouts We will look at two types of equation layouts.. The slope-intercept form And the point-slope form

Graph y = 2 3 x + 1

Graph y – 3 = -2(x + 3)

Pg 192, #3 What is the equation of a line with slope 3 and y-intercept at -5? What is the equation of a line through (-1, 5) with a slope of 2?

Write an equation for this line

Write an equation for the lines