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If the straight line ax + by + c =0 alw...

If the straight line `ax + by + c =0` always passes thorugh ( 1, - 2) , then a,b,c, are in `:`

A

H.P.

B

A.P.

C

G.P.

D

None of these

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • If the straight line ax+by+c=0 always passes through (1, -2), then a, b, c are in:

    A
    H.P.
    B
    A.P.
    C
    G.P.
    D
    None of these

  • If the straight line ax +by+c=0 always passes through (1,-2) then a,b,c are in

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    H.P
    B
    A.P
    C
    G.P
    D
    none of these

  • If non-zero numbers a, b, c are in H.P., then the straight line (x)/(a)+(y)/(b)+(1)/(c )=0 always passes through a fixed point. That point is :

    A
    (-1, -2)
    B
    (-1, 2)
    C
    `(1, -(1)/(2))`
    D
    (1, -2)

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