Slope of a line and parallel and perpendicular slopes pg 47
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Slope of a line and Parallel and Perpendicular slopes pg. 47 PowerPoint PPT Presentation


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Slope of a line and Parallel and Perpendicular slopes pg. 47. Slope: Slope indicates both how steep the line is and its direction, upward (positive) or downward (negative) from left to right. Horizontal lines have a slope of zero . Vertical lines have an undefined slope .

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Slope of a line and Parallel and Perpendicular slopes pg. 47

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Slope of a line and parallel and perpendicular slopes pg 47

Slope of a line and Parallel and Perpendicular slopes pg. 47

  • Slope:

  • Slope indicates both how steep the line is and its direction, upward (positive) or downward (negative) from left to right.

  • Horizontal lines have a slope of zero.

  • Vertical lines have an undefined slope.

  • In y = mx +b, m is used to denote the slope.


Parallel and perpendicular lines

Parallel and perpendicular lines

  • Parallel lines NEVER intersect.

  • Parallel lines have the SAME SLOPE.

  • Perpendicular lines intersect at a right angle.

  • Perpendicular lines have opposite reciprocal slopes. Ex: If one line has a

    slope of , then any line

    perpendicular to it has a slope of .


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