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If x = k be a solution of the quadratic ...

If x = k be a solution of the quadratic equation `x^(2) + 4x + 3 = 0`, then k = - 1 and

A

2

B

-3

C

3

D

-2

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MTG IIT JEE FOUNDATION-QUADRATIC EQUATIONS-EXERCISE (MULTIPLE CHOICE QUESTION) (LEVEL - 1)
  1. If x = k be a solution of the quadratic equation x^(2) + 4x + 3 = 0, t...

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  2. The positive real root of the equation 64 x^(2) - 1 = 0 is

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  3. The roots of the quadratic equation x^2+5x+6=0 are

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  4. The discriminant of the quadratic equation 3x^(2) - 4x - 2 = 0 is

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  5. The quadratic equation ax^(2) - 4ax + 2a + 1 = 0 has repeated roots, i...

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  6. If alpha and beta are the roots of the equation x^(2) + bx + c = 0, th...

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  7. The roots of the equation x^(2) -2 sqrt(2) x + 1 = 0 are

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  8. If the equation x^(2) + 4x - k = 0 has real and distinct roots, then

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  9. If ax^(2)+bx+c=0 has equal roots, find the value of c.

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  10. If the quadratic equation mx^2+2x+m=0 has two equal roots, then the v...

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  11. The value of sqrt(6+sqrt(6+sqrt(6+..oo))) is

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  12. If the equation x^(2)- bx+ 1 = 0 does not possess real roots, then whi...

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  13. If x = 1 is a common root of the equations ax^(2) + ax + 3 = 0 and x^(...

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  14. If a and b can take values 1,\ 2,\ 3,\ 4 . Then the number of th...

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  15. The roots of the equations 2x - (3)/(x) = 1 are

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  16. For what values of k, the equation 2x^(2) +kx + 8 = 0 has real and eq...

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  17. The equation k^(2) x^(2) + kx + 1 = 0 has

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  18. If alpha and beta are the zeros of the quadratic polynomial f(x)=x^(2)...

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  19. For what value of k, the equation x^(2) + 4kx + 4 = 0 has equal roots...

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  20. If alpha , beta roots of the equations x^(2) - 5x + 6 = 0, find the va...

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