4. Find the value of r so that the line that passes through the following points has the given slope: (3,0) and (r, 2); m = -1/6 *

Question

4. Find the value of r so that the line that passes through the following points has
the given slope: (3,0) and (r, 2); m = -1/6 *

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Tài Đức 4 years 2021-08-28T23:53:35+00:00 1 Answers 8 views 0

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  1. binhan
    0
    2021-08-28T23:54:52+00:00
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    Answer:

    r = -9

    Step-by-step explanation:

    use the slope formula:

    (2-0) / (r-3) = -1 /6

    cross-multiply:

    -1(r – 3) = 2(6)

    -r + 3 = 12

    -r = 9

    r = -9

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