\"\"

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Let, \"\".

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Distance formula = \"\".

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\"\"

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\"\"                               (Simplify)

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\"\"

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\"\"                               (Simplify)\"\"

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Both line segments have the same direction because they are both directed

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toward the lower left on lines having a slope of

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\"\"

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\"\".                                                          (Simplify)

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\"\" and \"\" have the same magnitude and direction, u and v are equivalent.\"\"

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\"\" and \"\" have the same magnitude and direction, u and v are equivalent.