What is the slope of the mine that passes Through the point (4.5, 2.5) and (2, -10)?

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What is the slope of the mine that passes Through the point (4.5, 2.5) and (2, -10)?

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Calantha 1 week 2021-07-22T06:11:35+00:00 1 Answers 1 views 0

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    2021-07-22T06:13:33+00:00

    Answer:

    slope = 5

    Step-by-step explanation:

    slope of a line = y2 -y1 / x2 – x1          

    where x1 =4.5 x2 =2                    y1= 2.5             y2 = -10

    slope = -10 – 2.5 /   2 – 4.5

    slope = -12.5 / -2.5

    slope = 5

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )