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U6 Post Test

Page history last edited by Deanna Lancaster 7 years, 4 months ago

SLOPE TIPS!... 

 

  • y = mx + b is the slope-intercept form of a line. 

  • The "m" is the slope and the "b" is the y-intercept 

  • Example: Write the equation of the line with a slope of -3 and a y-intercept of -7.

  • Answer: y = -3x - 7

  • Image result for slope intercept form

     

  • To find the slope of a line, pick two points on the line and count rise over run.

  • To find the slope between two points, graph those points and count rise over run.

  • Image result for rise over run

     

  • The slope of a horizontal line is ZERO. The slope of a vertical line is NO SLOPE!

  • Lines with positive slope go higher as you go to the right.

  • Lines with negative slope go lower as you go right.

  • Vertical lines have no slope.

  • Horizontal lines have a slope = 0

  • Image result for horizontal line slope

     

 

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