3-3 Slope

Slope (m) the steepness of a line the rate of change the ratio of change in the y -coordinates to the change in x -coordinates the rise over the run formula

Rate of Change Determine if each function is linear. xy xy Ex 1 Ex

Four Types of Slope positive negative zero undefined

Rise over Run Find the slope of each line. Ex 3 Ex

Rise over Run Find the slope of each line. Ex 5 Ex

Undefined vs. Zero Slope H O Y V U X orizontal Zer = a number ertical ndefined = a number

Find the slope of each pair of points Ex 7 (6, 4) (3, – 1) Ex 8 (0, – 3) (6, 0) Ex 9 (2, – 3) (2, 3) Ex 10 (1, – 4) (– 2, – 4)

Find the coordinate, given the slope Ex 11 Ex 11 (r, 6) (10, – 3);

Find the coordinate, given the slope Ex 12 Ex 12 (6, 3) (r, 2);

PWS 3-3

1/21/2015 Pg 175 #1,2,4-17, 20,21