Warm up #5.

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Presentation transcript:

Warm up #5

3-7 Equations of lines in the coordinate plane Objective: To write linear equations.

Slope

Problem 1 What is the slope of line b? What is the slope of line d? What is the slope of line a? What is the slope of line c?

Slopes

Slope-Intercept Form

Problem 2 What is an equation in slope-intercept form of a line with slope 3 and y-intercept -5?

Try with a Partner  What is an equation in slope-intercept form of a line with slope -2 and y-intercept 7?

Point-Slope Form

Problem 3 What is an equation of the line in point-slope form that passes through (-1, 5) with slope 2?

Try with a partner 

Problem 4 What is the equation of a line in point-slope form that goes through (-2, -1) and (3, 5)?

Problem 5 What is the equation of a line in slope-intercept form that passes through (3, 3) and (4, 7)?

Problem 6 What are the equations for horizontal and vertical lines through (2, 4)?

Try with a Partner 

Homework Pg. Pg. 194 # 9 – 15 odd, 25 – 37 odd, 44 – 47 all