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9.5 Slope Intercept Form. Slope-intercept equation y = mx + b slope y-intercept.

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Presentation on theme: "9.5 Slope Intercept Form. Slope-intercept equation y = mx + b slope y-intercept."— Presentation transcript:

1 9.5 Slope Intercept Form

2 Slope-intercept equation y = mx + b slope y-intercept

3 Find the slope and y-intercept of y = -5x + 6

4 Find the slope and y-intercept of 2 y = 7x - 4

5 Find the slope and y-intercept of 2x + 3y = 6 -2x 3y = - 2x + 6 3 3 3

6 Find the slope and y-intercept of -7x - 5y = 25 +7x -5y = 7x + 25 -5

7 Steps To Graph Using y=mx+b 1.) Solve for y 2.) Identify m and b 3.) Graph b on the y axis 4.)From b have Joe Cool help you count out your slope for your second ordered pair 5.)Draw a line through the two points and extend the line

8 Using y-intercept and slope, graph:

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11 Interpreting the Graph A kite flying 60 feet in the air is falling. The altitude of the kite can be represented by y = -x +60 Where x is time in seconds Describe what the y- intercept and slope represent: The y-intercept (0,60) represents the initial height of the kits The slope (-1) represents the descent of 1 foot per second.

12 Assignment Page 415 (10-26) all


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