Question Text
Question 2 :
The least integer $'c'$ which makes the roots of the equation $x^2+3x+2c$ imaginary is
Question 3 :
Difference between the squares of $2$ consecutive numbers is $31$. Find the numbers.
Question 4 :
Find the quadratic equation in $x$, whose solutions are $3$ and $2$.
Question 5 :
Which of the following is a quadratic polynomial in one variable?<br>
Question 7 :
In a rectangle the breadth is one unit less than the length and the area is $12$ sq.units. Find the length of the rectangle.
Question 8 :
If $x^2-36=0$, which of the following could be a value of $x$?
Question 9 :
If the roots of the equation $5{x}^{2}-7x+k=0$ are mutually reciprocal then $k=$
Question 10 :
The difference between the product of the roots and the sum of the roots of the quadratic equation $6x^{2} - 12x + 19 = 0$ is
Question 12 :
Is the following equation quadratic?$(x\, +\, 3) (x\, -\, 4)\, =\, 0$