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Slope of Line

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Created by Meryl Weaver for EDCT 203 @ Ohio University, edited by Dee McGlothlin, TA

Created by Meryl Weaver for EDCT 203 @ Ohio University, edited by Dee McGlothlin, TA

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• 1.
• 2. What is Slope? Every line has a slope. Slope refers to the steepness of a line. Since the line on the right is steeper, it has a larger slope.
• 3.
• Slope can also be defined as:
• rise (change in x)
• run (change in y)
• 4.
• Slope can be positive
• Slope can be negative
• Slope can be zero
• 5. How do you find slope?
• Slope is represented by m .
• To find slope, you need two points on the line.
• Plug in the coordinates of the first point in for (x 1 ,y 1 ) and the second point as (x 2 ,y 2)
• 6. Let’s Practice!
• Find the slope of the line that passes through the points (1,2) and (-2,-4).
y 2 – y 1 = -4 - -2 = -2 m = x 2 – x 1 = -2 - -1 = -1 = 2
• 7. What is the slope of the given line?
• A: -2
• B: -1
• C: -½
• 8.
• 9.
• 10. What is the slope of the given line?
• A: ½
• B: -½
• C: 2
• D: -2
• 11.
• 12.
• 13. What kind of slope does this line have?
• A: Positive
• B: Negative
• C: Zero
• 14.
• 15.
• 16. Find the slope of a line passing through the points (6,3) and (-2,3).
• A: -1
• B: 0
• C: 3
• 17.
• 18.
• 19. Graphically, what is slope?
• A: The point the line crosses the y-axis
• B: Run Rise
• C: Change in y Change in x
• 20. I am done! Start Over
• 21.
• 22. Source
• Stapel, Elizabeth. &quot;Slope of a Straight Line.&quot; Purplemath. Available from
• http://www.purplemath.com/modules/slope.htm. Accessed 15 April 2010