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3 November, 13:30

If A = (4, - 5) and B = (7, - 9), what is the length of AB? A. 6 units B. 5 units C. 8 units D. 7 units

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  1. 3 November, 16:11
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    5 (Answer B)

    Step-by-step explanation:

    As we move from A to B, x increases by 3 and y decreases by 4. Apply the Pythagorean Theorem:

    (length of AB) = √ (3² + [-4]²) = 5 (Answer B)
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