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Published bySheila Patrick Modified over 5 years ago

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Bell Quiz

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Objectives Find the slope of a line using the slope formula.

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Slope Formula Any two ordered pairs on a line can be used to determine the slope of the line. The slope is a measure of the steepness of a line. The slope m of a line containing points and is

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Example 1 Determining Slope from Two Points Determine the slope of the line that contains the given points (2, 4) and (6, 6)

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Example 2 Determining Slope from Two Points Determine the slope of the line that contains the given points (– 4, 4) and (4, – 2)

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Lesson Practice Determine the slope of the line that contains the given points (– 3, – 4) and (3, 0)

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Lesson Practice Determine the slope of the line that contains the given points (– 5, 8) and (5, 6)

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Example 3 Determining Slope from Two Points Determine the slope of the line that contains the given points (0, – 5) and (5, 10)

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Lesson Practice Determine the slope of the line that contains the given points (– 6, 5) and (3, – 13)

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Lesson Practice Determine the slope of the line that contains the given points (0, 6) and (1, 12)

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Lesson Practice Determine the slope of the line that contains the given points (– 2, 7) and (2, – 9)

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Slope Formula Two points are not always given explicitly as coordinates to determine the slope. If given a table or graph then two points must be chosen in order to use the slope formula.

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Example 4 Determining Slope From a Table Determine the slope of the line that contains the given points shown in the table.

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Lesson Practice Determine the slope of the line that contains the given points shown in the table.

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Example 5 Determining Slope from a Graph Determine the slope of the line.

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Lesson Practice Determine the slope of the line.

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Example 6 Determining Slope from a Graph Determine the slope of the line.

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Lesson Practice Determine the slope of the line.

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Example 7 Determining Slopes of Horizontal and Vertical Lines Determine the slopes of the horizontal and vertical lines given.

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Lesson Practice Determine the slope of the line.

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Lesson Practice Determine the slope of the line.

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