December 7, 2012 Slope Intercept Form Warm-up: Find the slope of the line that goes through (3, -2) and (4, 7). Quiz Tuesday! HW 5.3: Pg. 275 #20-5, 29-39.

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December 7, 2012 Slope Intercept Form Warm-up: Find the slope of the line that goes through (3, -2) and (4, 7). Quiz Tuesday! HW 5.3: Pg. 275 #20-5, odd, #58-60

5.3 Slope Intercept Form One way to write an equation of a line. y = mx + b m = b =

Another way to find the equation without making a table… Identify the slope and y-intercept, then put it in Slope Intercept Form y = mx + b m = b=

Identify the slope and y-intercept, then write the equation of the line. slope = y-int = Equation:

Let’s go the other way now! Using Slope Intercept Form to graph a line. Example 1: Identify the slope and y-intercept To graph: 1. Start at y-intercept 2. Use the rise and run to find the next point 3. Draw the line that goes through those two points y x

More Practice! 1.y = 3x Slope = y-int = slope = y-int =

Rewriting in Slope Intercept Form y = mx + b Graph 2x + 4y = 6