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DEFINING SLOPE. SECTION 5.2. Slope. rise. ________ is the ratio of vertical ______ to horizontal _____. run. rise. Slope = =. run. My one weakness is that I can only run to the right. SLOPEMAN. Remember, I can only run to the right!.

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DEFINING SLOPESECTION 5.2Sloperise________ is the ratio of vertical ______ to horizontal _____.runriseSlope = =runMy one weakness is that I can only run to the right.SLOPEMANRemember, I can only run to the right!If I run uphill, then the slope of the line is positive.Lines with a positive slope go uphill from left to right.RiseRunSlopeman is going uphill so the slope is positive.Remember, I can only run to the right!If I run downhill, then the slope of the line is negative.Lines with a negative slope go downhill from left to right.RiseRunSlopeman is going downhill so the slope is negative.EXAMPLE 1: Find the slope of the following lines. 22RunRiseSlope=m = 1We use the letter m to represent slope.EXAMPLE 1: Find the slope of the following lines. 311Slope is negative.m = -33EXAMPLE 1: Find the slope of the following lines. 1221Slope is positive.Plot the following points on the graph and find the slope. x y4615+4+242+42Slope is positive.+2Example 2: Find the slope between the following points without graphing. x y9164-2-8-2-8Example 2: Find the slope between the following points without graphing. x y-1 5 3-3-6+6-6+6Example 2: Find the slope between the following points without graphing. x y-31 14 29-52-81+45-81+45Sometimes when you must find the slope of a line without having a picture of the graph, it is easier to find the slope of a line using the following formula.Slope = when the two points areExample 3: Find the slope of the line containing the following pointsExample 3: Find the slope of the line containing the following pointsChoose any two points on the line and find the slope of the line.xy4 3+0-31 3+0-3If I tried to ski on this line, how fast would I travel?zeromiles per hourThe slope of any horizontal line is zero.Choose any two points on the line and find the slope of the line.xy-2 1-4+0-2 -3-4+0What would happen if I tried to ski off this vertical cliff?HELP !!I’m falling and I can’t get up!!I would have UNDEFINEDbody parts!!The slope of any vertical line is undefined.

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