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- Multiple ChoicePlease save your changes before editing any questions.
A quadratic equation has degree

0

1

2

3

- Multiple ChoicePlease save your changes before editing any questions.
A polynomial equation x(x+1) + 8 = (x+2) (x-2) is

linear equation

quadratic equation

cubic equation

bi-quadratic equation

- Multiple ChoicePlease save your changes before editing any questions.
The sum of roots of quadratic equation $3x^2\ -\ 9x\ +\ 5\ =\ 0$ is

3

6

-3

2

- Multiple ChoicePlease save your changes before editing any questions.
The roots of equation $7x^2\ +\ x-1$ are

real and distinct

real and same

imaginary/not real

none of the above

- Multiple ChoicePlease save your changes before editing any questions.
The equation $12x^2+4kx+3\ =\ 0$ has real and equal roots if,

k = $\pm$ 3

k = $\pm$ 9

k = 4

k = $\pm$ 2

- Multiple ChoicePlease save your changes before editing any questions.
If -5 is root of quadratic equation $2x^2+px-15=0$ then the value of p is

p = 5

p = 3

p = 7

p = 1

- Multiple ChoicePlease save your changes before editing any questions.
One year ago, a man was 8 times as old as his son. Now his age is equal to the square of his son age. Their present ages are..

7 years, 49 years

5 years , 25 years

1 year, 50 years

6 years, 49 years

- Multiple ChoicePlease save your changes before editing any questions.
Which of the following are the roots of equation $x^2-9x+20=0$

3, 4

4, 5

5, 6

6, 1

- Multiple ChoicePlease save your changes before editing any questions.
ax + b = 0 is general form of

quadratic equation

linear equation

cubic equation

none of the above

- Multiple ChoicePlease save your changes before editing any questions.
The roots of the quadratic equation are real and same if

$b^2-4ac$ <0

$b^2-4ac$ = 0

$b^2-4ac$ >0

None