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Geometry Name______Notes 3-5, Slope Date______Period______

Notes 3-5, Slope

Defn. of slope:

Four slope types: 1. 2. 3. 4.

Examples –

1) Find the slope of the line passing through A(0, 2) and B(6, 5)

2) Find the slope of the line passing through M(-1, 6) and N(4, 2)

If two lines have the same slope, then

If two lines have opposite reciprocal slope, then GEOMETRY Notes 3-5, Slope

Original Parallel Perpendicular Slope Slope Slope 3 -7 1/2 -3/5 1

Examples –

3) Find the slope of a line parallel to the line passing through (12, -6) and (0, 6).

4) Find the slope of a line perpendicular to the line passing through (8,3) and (10, -4).

5) Find the slope of a line perpendicular to the line passing through (2, 15) and (2, 20).

6) Find the slope of a line perpendicular to the line passing through (-4, 5) and (-1, 14).

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