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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)


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

  4. A.

    row operations

    B.

    subset operations

    C.

    column operations

    D.

    mathematical operations


  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


  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


  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


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

  12. A.

    one dimension

    B.

    two dimensions

    C.

    three dimensions

    D.

    four dimensions


  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


  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


  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


  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