Slope Lesson

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Slope Lesson

  1. 1. Introduction To Slope
  2. 2. Slope is a measure of steepness.
  3. 3. Types of Slope Positive Negative Zero Undefined or No Slope
  4. 4. Slope is sometimes referred to as the “ rate of change” between 2 points.
  5. 5. The letter “m” is used to represent slope.
  6. 6. When given two points (x 1 ,y 1 ) and (x 2 ,y 2 ), use the formula:
  7. 7. Find the slope of the line through the points (3,7) and (5, 19). x 1 y 1 x 2 y 2 Example #1:
  8. 8. Find the slope of the line through the points (3,7) and (5, 19). m = 19 – 7 5 – 3 m = 12 2 m = 6 Example #1 (continued):
  9. 9. (3, 4) and (-6, -2) m = -2 – 4 -6 – 3 m = -6 -9 m = ⅔ Example #2:
  10. 10. What if the numerator is 0? Then the line has a slope of zero.
  11. 11. What if the denominator is 0? Then the line has no slope, because division by zero is undefined.
  12. 12. Tonight’s Homework <ul><li>pg. 321 #1-27 (odd) </li></ul>
  13. 13. The End

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