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For what value of x, the points (x,-1), ...

For what value of x, the points (x,-1), (2, 1) and (4,5) are collinear?

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Find the value of x for which the points (x, -1) (2,1) and (4, 5) are collinear.

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Knowledge Check

  • The value of a for which the points (9, 5), (1, 2), (a, 8) are collinear is equal to

    A
    17
    B
    8
    C
    7
    D
    71

  • If the points (2,-4)(6,2)(4,x) are collinear than x is:

    A
    3
    B
    -3
    C
    0
    D
    -1

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    Verify whether the points (1, 5), (2, 3) and (-2, -1) are collinear or not.

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    Show that the points (1, 3), (2, 1) and (1/2, 4) are collinear, by using using a straight line and

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