Question 2 :
<span>Is the following equation a quadratic equation?</span><div>$16x^2 - 3 = (2x + 5) (5x - 3)$</div>
Question 4 :
<span>The mentioned equation is in which form?</span><div>$z\, -\, \cfrac{7}{z}\, =\, 4z\, +\, 5$</div>
Question 5 :
<span>Is the following equation quadratic?</span><div>$\displaystyle -\frac{5}{3}\, x^{2}\, =\, 2x\, +\, 9$</div>
Question 7 :
<span>The mentioned equation is in which form?</span><div>$y^{2}\, -\, 4\, =\, 11y$</div>
Question 9 :
Write whether the following statement is true or false. Justify your answer.<br/>Every quadratic equation has exactly one root.
Question 12 :
The following <span>equation </span>is a quadratic equation.<div> $(x \, + \, 2)^3 \, = \, x^3 \, - \, 4$</div>
Question 13 :
<span>Is the following equation a quadratic equation?</span><div><span>$\displaystyle 3x + \frac{1}{x} - 8 = 0$</span></div>
Question 14 :
<div><span>State the following statement is True or False</span><br/></div>The digit at ten's place of a two digit number exceeds the square of digit at units place ($x$) by 5 and the number formed is $61$, then the equation is $10\, (x^{2}\, +\, 5)\, +\, x\, =\, 61$.<br/>
Question 15 :
<span>The mentioned equation is in which form?</span><div>$n\, -\, 3\, =\, 4n$</div>
Question 16 :
Choose the best possible option.<br><span>$\displaystyle { x }^{ 2 }+\frac { 1 }{ 4{ x }^{ 2 } } -8=0$ is a quadratic equation.</span><br>
Question 17 :
If, in the expression $x^2 - 3$, x increases or decreases by a positive amount a, the expression changes by an amount
Question 18 :
<p><span>Which of the following statements is TRUE/CORRECT about Quadratic Equations? A quadratic equation is _____</span></p>
Question 19 :
<div><span>The length of a rectangular verandah is $3\:m$ more than its breadth. The numerical value of its area is equal to the numerical value of its perimeter. </span><span>Taking $x$ as the breadth of the verandah, write an equation in $x$ that represents the above statement.</span></div>