QUADRATIC EQUATIONS
3 years ago
joguerra
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10 QuestionsShow answers
  • Question 1
    60 seconds
    Q. The solutions of the quadratic equation
    x2-5x+6=0 are
    answer choices
    x=1 or x=-6
    x=3 or x=2
    x=-3 or x= 2
    x=-1 or x=6
  • Question 2
    30 seconds
    Q. In the quadratic formula, if b2-4ac>0, then the quadratic equation has
    answer choices
    two imaginary solutions
    two different real solutions
    two equal real solutions
    none of these
  • Question 3
    60 seconds
    Q. To complete the perfect square trinomial in the expression x2-22x+_____, we need to add
    answer choices
    11
    44
    121
    144
  • Question 4
    20 seconds
    Q. In the quadratic formula, the expression
    b2-4ac is called
    answer choices
    discrim
    determinant
    discriminant
    none of these
  • Question 5
    20 seconds
    Q. In the expression 4x2-5x+9 the leading coefficient is
    answer choices
    9
    -5
    -4
    4
  • Question 6
    180 seconds
    Q. The solution of the quadratic equation
    4x2-5x-9=0 are
    answer choices
    x=-1 or x=9/4
    x=1 or x=9/4
    x=2 or x=3
    x=-2 or x=-3
  • Question 7
    20 seconds
    Q. If 3+2i is a solution of a quadratic equation, then other solution of this quadratic equation is
    answer choices
    2-3i
    3+2i
    1/3 -1/2i
    3-2i
  • Question 8
    60 seconds
    Q. One solution of the quadratic equation
    x2-7x+12=0 is
    answer choices
    x=3
    x=2
    x=-3
    x=-2
  • Question 9
    30 seconds
    Q. Fill the blank space to complete the perfect square trinomial
    x2-18x+____=(x- ____)2
    answer choices
    9 and 3 respectively
    81 and 9 respectively
    -9 and -3 respectively
    -81 and -9 respectively
  • Question 10
    60 seconds
    Q. Which of the followig trinomial is perfect square trinomial?
    answer choices
    x2+4x+9
    x2-22x-121
    x2+4x-9
    x2-22x+121
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