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If both roots are common to the Quadrati...

If both roots are common to the Quadratic equations `x^2-4 = 0` and `x^2 + px-4 = 0`, then p =

A

2

B

0

C

4

D

1

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VGS PUBLICATION-BRILLIANT-QUADRATIC EQUATIONS-EXERCISE
  1. In a quadratic equation ax^(2) + bx + c = 0 "if" b^(2) - 4ac gt 0 then...

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  2. If a number is 132 smaller than its square, then the number is

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  3. If both roots are common to the Quadratic equations x^2-4 = 0 and x^2 ...

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  4. The sum of the roots of 6x^2 = 1 is

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  5. If the sum of a number and its reciprocal is 17/4, then that number is...

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  6. The roots of a quadratic equation ax^2- bx + c = 0, a ne 0 are

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  7. One of the roots of the Q.E. 6x^(2) - x - 2 = 0 is

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  8. If the sum of the squares of two consecutive odd numbers is 74, then t...

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  9. The roots of the equation 4x^(2) + 4 sqrt3x + 3 = 0 are

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  10. The sum of a number and its reciprocal is 50/7 ,then the number is

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  11. The roots of the equation 3x^(2) - 2 sqrt 6 x + 2 = 0 are

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  12. If x^(2) - 2x + 1 = 0 "then" x + 1/x =

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  13. The roots of the Q.E. sqrt 3 x^(2) -2x - sqrt 3 = 0 "are"

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  14. One solution of the Q.E. 2x^(2) - 5x - 3 = 0 is

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  15. If 5x^(2) - kx + 11 = 0 has a root x = 3, then k =

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  16. The sum of the roots of the equation 3x^(2) - 7x + 11 = 0

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  17. The positive root of sqrt (3x^(2) + 6) = 9 is

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  18. The value of p for which 4x^(2) - 2px + 7 = 0 has a real root is

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  19. The roots of 5x^(2) - x + 1 = 0 are

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  20. Which of the following Q.E has real and equal roots?

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