(See diagram) The gradient of the line joining the origin to the point A is 1/2. The distance between A and the origin is sqrt 2205. What ar

Question

(See diagram) The gradient of the line joining the origin to the point A is 1/2. The distance between A and the origin is sqrt 2205. What are the coordinates of A?

in progress 0
Margaret 2 weeks 2021-10-07T16:29:26+00:00 1 Answer 0

Answers ( )

    0
    2021-10-07T16:31:22+00:00

    Answer:

    (42, 21) or (–42, –21)

    Step-by-step explanation:

    let A(x, y), A on line 2y = x

    distance

    x² + y² = 2205

    (2y)² + y² = 2205

    y² = 441

    y = ±21

    x = ±42

Leave an answer

45:7+7-4:2-5:5*4+35:2 =? ( )