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Introduction To Slope

Introduction To Slope. Introduction To Slope. Slope is a measure of Steepness. Slopes (or steepness ) of lines are seen everywhere. The steepness of the roof of a house is referred to as the pitch of the roof by home builders.

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Introduction To Slope

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  1. Introduction To Slope

  2. Introduction To Slope Slope is a measure of Steepness.

  3. Slopes (or steepness) of lines are seen everywhere.

  4. The steepness of the roof of a house is referred to as the pitch of the roof by home builders.

  5. Give one reason why some homes have roofs which have a greater pitch. There is less snow build up in the wintertime.

  6. Engineers refer to the slope of a road as the grade.

  7. They often refer to the slope as a percentage.

  8. Slopes and Lines run rise The slope of a line is the steepnessof the line.

  9. 100 8 A grade of 8% would mean for every run of 100 units, there is a rise of 8 units. = 8%

  10. The steepness of wheelchair ramps is of great importance to handicapped persons. 1 12 The slope of wheelchair ramps is usually about If the rise is 1.5 m, what is the run? Ans:

  11. Determine the slope of the line. 9 cm 5 cm We use the letter m because in French the word for “to go up” is monter. Because the slope is a ratio, there are no units such as cm or cm2.

  12. Determine the slope (pitch) of the roof. 5 m 3 m

  13. Determine the slope of the staircase. 2 3 3 3

  14. 9 3 Determine the slope. 12 10 8 6 4 2 0 2 4 8 6 10 14 12

  15. – 5 7 Determine the slope. 12 10 8 6 4 2 12 0 4 8 6 10 14 2

  16. 7 Determine the slope. 12 10 8 6 4 2 Horizontal lines have a slope of zero. 0 2 4 8 6 10 14 12

  17. 6 Determine the slope. 12 10 8 6 4 Vertical lines have slopes which are undefined. 2 0 2 4 8 6 10 14 12

  18. negative positive undefined zero Summary: Types of Slopes

  19. Determine the slope of this line. Which points will you use to determine rise and run? 5 40 = 8

  20. Determine the slope of the line segment. –2 60

  21. Draw a line which has a slope of Draw a line which has a slope of 2

  22. Draw a line which has a slope of –5 6 –5 6

  23. Draw a line which has a slope of… b) 3 a) – 3 1 –3 3 1 1 –3 3 1

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