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Quadratic Equat...

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  • Question 1
    1 / -0

    Check whether the following is a quadratic equation.
    $$(x - 3) (2x + 1) = x (x + 5)$$

  • Question 2
    1 / -0

    Find the value of the polynomial $$5x-4x^2+3$$ at $$x=0$$

  • Question 3
    1 / -0

    Is the following equation a quadratic equation?

    $$\displaystyle \frac{3x}{4} - \frac{5x^2}{8} = \frac{7}{8}$$

  • Question 4
    1 / -0

    Is the following equation a quadratic equation?

    $$16x^2 - 3 = (2x + 5) (5x - 3)$$

  • Question 5
    1 / -0

    $$\displaystyle a^2x^2 - 3abx + 2b^2 $$= 0 then $$x = \cfrac{a}{b}\ and\ x = \cfrac{b}{a}$$ are the roots of the equation.

  • Question 6
    1 / -0

    The condition for a general quadratic equation such that its both roots are equal, is

  • Question 7
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    Discriminant of the equation $$ -3x^2 + 2x -8 = 0$$ is 

  • Question 8
    1 / -0

    Solve for $$y:$$ $${2y^2 +4=9y}$$

  • Question 9
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    The sum of a number and its reciprocal is $$ \displaystyle \frac{125}{22} $$ The number is 

  • Question 10
    1 / -0

    Choose the best possible option.
    $$\displaystyle { x }^{ 3 }-5x+2{ x }^{ 2 }+1=0$$ is quadratic equation.

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  • Unanswered - 10

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