Quadratic Equations Quiz 9

1

If the roots of the equation $12x^2+mx+5=0$ are real and equal then m is equal to

2

If the roots of the quadratic equation $x^2+px+16=0$ are equal then the value of p is

3

Which of the following equations has the equal roots ?

4

Discriminant of the quadratic equation $2x^2+x-8=0$ is

5

The discriminant of $x^2+5x+5=0$ is

6

The value (s) of k such that the equation $kx^2+6x+k=0$ has equal roots is …

7

If the discriminant of the equation $6x^2-bx+2$ = 0 is 1, then the value of ‘b’ is

8

The discriminant of the quadratic equation $7\sqrt{3}x^2+10x-\sqrt{3}$ = 0 is :

9

Discriminant of the quadratic equation $2x^2+x-8=0$ is

10

The roots of $(x^2-3x+2)$ $(x)$ $(x-4)$ = 0 are

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