The points (-2, 4) and (1,r) lie on a line with slope 3. Find the missing coordinate r.

Question

The points (-2, 4) and (1,r) lie on a line with slope 3. Find the missing coordinate r.

in progress 0
Thiên Hương 4 years 2021-08-29T22:35:36+00:00 1 Answers 12 views 0

Answers ( )

  1. hongcuc2
    0
    2021-08-29T22:37:15+00:00
    Reply

    Answer:

    -9

    Step-by-step explanation:

    Slope = (y2 – y1)/(x2 – x1)

     (r – 11)/(4 – (-1)) = (r – 11)/5

    So, (r – 11)/5 = -4

    r – 11 = -20

    r = -9

    I dont know wht

    way you are doing this but hope it helps

Leave an answer

Browse

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