Warm up 19 1.) Graph using 3 points x +3y =6

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Warm up 19 1.) Graph using 3 points x +3y =6 2.) Graph using intercepts 3x-2=y 2.) Graph a.) x=-3 b.) y=-2

7.4 Slope Objectives: To find the slope of a line given two points on the line To describe slope for horizontal and vertical lines

“slope” 3

Graph the line containing the points (-4,2) and (2,-3) and find the slope. 6

Graph the line containing the points (-4,2) and (2,-3) and find the slope. “m” 6

Find the slope of the line containing (1,1) and (3,5)

Find the slope of the line containing (2,2) and (8,9) 2-9 = -7 = 7 2-8 -6 6

Find the slope of the line containing (-4,-6) and (3,-2) M= -6 - -2 = -6 +2 = -4 = 4 -4 – 3 -4-3 -7 7

Find the slope of the line containing (-2,3) and (2,1)

Horizontal line = “0” slope What is the slope? (-6,4) (5,4) Horizontal line = “0” slope

Vertical line = “no slope” What is the slope? (3,8) (3,-2) Vertical line = “no slope”

A line contains points (5, 3) and (x, 9) and has slope = 3 A line contains points (5, 3) and (x, 9) and has slope = 3. Find the value of x. 3= 3-9 5-x 3 = 6 5-x

A line contains points (3, 2) and (7, k) and has slope = 5 A line contains points (3, 2) and (7, k) and has slope = 5. Find the value of k. You try this one and raise you hand when you are done 

A line contains points (9, -5) and (-8, k) and has slope = 0 A line contains points (9, -5) and (-8, k) and has slope = 0. Find the value of k.

Assignment Page 321 4-30 even