Quadratic Equation Practice Question and Answer

Q:

If α and β are the roots of equation $$ {x^2-2x+4=0}$$, then what is the equation whose roots are ${α^3}\over{β^2}$$ and $${β^3}\over{α^2}$$.

1145 0

  • 1
    $$ {x^2-4x+8=0}$$
    Correct
    Wrong
  • 2
    $$ {x^2-32x+4=0}$$
    Correct
    Wrong
  • 3
    $$ {x^2-2x+4=0}$$
    Correct
    Wrong
  • 4
    $$ {x^2-16x+4=0}$$
    Correct
    Wrong
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Answer : 3. "$$ {x^2-2x+4=0}$$"

Q:

If $$ {x^2-12x+33=0}$$, then what is the value of $${(x-4)^2+[{1\over({x-4})^2}}]$$.

1129 0

  • 1
    16
    Correct
    Wrong
  • 2
    18
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
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Answer : 4. "14"

Q:

Express 15625 as a power of 5?

993 0

  • 1
    $$4^5$$
    Correct
    Wrong
  • 2
    $$5^6$$
    Correct
    Wrong
  • 3
    $$5^5$$
    Correct
    Wrong
  • 4
    $$6^5$$
    Correct
    Wrong
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Answer : 2. "$$5^6$$"

Q:

Directions: In the following question, two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.

I. X3 = 125
II. Y3 = 8

747 0

  • 1
    X > Y
    Correct
    Wrong
  • 2
    X < Y
    Correct
    Wrong
  • 3
    X ≥ Y
    Correct
    Wrong
  • 4
    X ≤ Y
    Correct
    Wrong
  • 5
    X = Y or no relation can be established
    Correct
    Wrong
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Answer : 1. "X > Y"

Q:

Directions: In the following question, two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.

I. 2x + 3y = 52
II. 5x – 2y = 16

672 0

  • 1
    X > Y
    Correct
    Wrong
  • 2
    X < Y
    Correct
    Wrong
  • 3
    X ≥ Y
    Correct
    Wrong
  • 4
    X ≤ Y
    Correct
    Wrong
  • 5
    X = Y or no relation can be established
    Correct
    Wrong
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Answer : 2. "X < Y"

Q:

Directions: In the following question, two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.

I. X– 5x + 6 = 0
II. 2y2 – 7y +3 = 0

589 0

  • 1
    X > Y
    Correct
    Wrong
  • 2
    X < Y
    Correct
    Wrong
  • 3
    X ≥ Y
    Correct
    Wrong
  • 4
    X ≤ Y
    Correct
    Wrong
  • 5
    X = Y or no relation can be established
    Correct
    Wrong
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Answer : 5. "X = Y or no relation can be established"

Q:

Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. x² – 12x + 32 = 0
II. 2y² – 9y + 10 = 0

583 0

  • 1
    x > y
    Correct
    Wrong
  • 2
    x < y
    Correct
    Wrong
  • 3
    x ≥ y
    Correct
    Wrong
  • 4
    x ≤ y
    Correct
    Wrong
  • 5
    x = y or the relationship between x and y cannot be established.
    Correct
    Wrong
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Answer : 1. "x > y"

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