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Activity

Purplemath: Slope of a Straight Line

Curated by ACT

This lesson on slope explains the slope concepts, demonstrates how to use the slope formula, shows how to find slope in horizontal and vertical lines, and how to use slope to find whether the lines through the pairs of points are "parallel, perpendicular, or neither".

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CCSS: Adaptable
Concepts
negative slope, parallel lines, perpendicular lines, slope
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Additional Tags
negative slopes, positive slope, positive slopes, slope of a horizontal line, slope of a line, slope of a vertical line, slope of horizontal lines, slope of vertical lines, undefined slope, purplemath, purplemath.com: slope of a straight line
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Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
Common Core
HSG-GPE.B.5 8.EE.B.6