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in #taunf6 years ago

28.The distance between the origin and the point (-5,12) is
A.5 B.12 C.7 D.13 E.17

  1. △ABC has vertices A(0,7), B(5,-5) and C(10,7). The area of △ABC is
    A.50 B.60 C.80 D.120 E.140
    30.△ABC is an isosceles right triangle with ∠B=90°. If A(3,-2),B(2,-1), then AC=…
    A. √2 B.1 C.2 D.3 E.4
  2. What is the perimeter of a triangle with vertices at the points (1,4),(1,7) and (4,4)?
    A. 3+√2 B.3√2 C.6 D.6+3√2 E.9+3√2
    32.The point on the X-axis which is equidistance from (4,4) and (5,3) is
    A. (0,0) B.(-1,0) C.(2,0) D.(1,0) E.(3,0)
  3. The slope of the equation 2x-y=7 is
    A. -2 B.2 C.-7 D.7 E.-7/2
    34.Which of the following statement(s) is (are) true?
    1.The line 2x=3 is parallel to Y-axis.
    A.{3,6,9,12} B{2,3,4,5,6,7,8,9,10,11} C.{6,9,12} D.{3,6,9,12,15} E.{3,6,9}
    14.If A≠B, which of the following is true?
    A. A∩B=B∩A B.A∪B=B∪A C.A∪A=A D.B∩B=B
    E.A\B=B\A
    15.If S={1,2,3,4,5,6,7} is the universal set ,P={1,2,3,4} and Q´={1,2,7}, then P∩Q=…..
    A. {1,2,3} B.{3,4} C.{3} D.{4} E.∅
    16.If P∪Q={x,y,z,u,v},P∩Q={z,u} ,P\Q={x,v} then Q\P=…….
    A.{y,z,u} B. {y} C.{x,u,v} D. ∅ E. None of these
    17.Given E={2,4} ,F={4,6,8,x} The value of x such that E\F=∅
    A.0 B.2 C.4 D.6 E.8
    18.Let n(P) denotes the number of elements in set P. Given that n(P)=7 and n(Q)=3
    the largest possible value of n(P∩Q) is
    A.10 B.9 C.7 D.4 E.3