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Arithmetic Aptitude :: Linear Equations

  1.  Equation of straight line with slope -8 and y intercept (0,16) is written as

  2. A.

    y = 16x+(-8)

    B.

    x = -8x +16

    C.

    y = -8x + 16

    D.

    8 = y+(-16)

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  3.  In Gaussian elimination method, original equations are transformed by using

  4. A.

    row operations

    B.

    subset operations

    C.

    column operations

    D.

    mathematical operations

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  5.  Ordered pair of x-intercept can be find by substituting the

  6. A.

    x = 0

    B.

    y = 0

    C.

    a = 0

    D.

    b = 0

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  7.  In graphically representation of equation, number of dimensions is determined by

  8. A.

    number of axes

    B.

    number of octants

    C.

    number of variables

    D.

    number of quadrants

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  9.  In linear equation 'ax+by = c' a and b cannot be equal

  10. A.

    to zero

    B.

    to one

    C.

    to rational numbers

    D.

    set of even numbers

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  11.  Graph of linear equation with two variables is plotted in

  12. A.

    one dimension

    B.

    two dimensions

    C.

    three dimensions

    D.

    four dimensions

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  13.  Three dimensional coordinate system is one in which coordinates intersect each other atA

  14. A.

    zero points

    B.

    positive points

    C.

    negative points

    D.

    absolute points

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  15.  Two variables x and y if involved in linear equation then equation is

  16. A.

    ac+bx = y

    B.

    ax+bc = y

    C.

    ax+by = c

    D.

    ab+xy = c

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  17.  Graphically, the pair of equations (a)6x – 3y + 10 = 0 (b)2x – y + 9 = 0 represents two lines which are

  18. A.

    parallel

    B.

    coincident

    C.

    intersecting at exactly one point

    D.

    intersecting at exactly two points

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  19.  The pair of equations x + 2y + 5 = 0 and –3x – 6y + 1 = 0 have

  20. A.

    no solution

    B.

    a unique solution

    C.

    exactly two solutions

    D.

    infinitely many solutions

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