5.1

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5.1 Slope

• Slope

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Definition Slope A term to describe steepness.
You may know slope as
A ski slope
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Or the slope of a steep road
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Or on a map of the Tour de France
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Definition Slope A term to describe
steepness.
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Lets Explore!!
Given 2 points
Rise
Slope
Run
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2

2
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Lets Explore More!!
Given 2 points
Rise
Slope
Run
-3

5

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Helpful Hint!! Working left to right, first find
the rise (either positive or negative) then the
run is always positive.
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Definition Slope Formula Given 2 points
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Summary
Negative slope Downward from left to right
Positive slope Upward from left to right
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Summary
Slope 0 Horizontal line
Undefined Slope Vertical line
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Your Turn!!

1. Find the slope of the line that passes through
   points

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• A line with positive slope goes ________ from
  left to right.
• A line with a negative slope goes ___________
  from left to right.
• The slope of a vertical line is
  __________________
• The slope of a horizontal line is
  ________________