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The roots of x^(2)+kx+k=0 are real and e...

The roots of `x^(2)+kx+k=0` are real and equal, find k.

A

0

B

4

C

0 or 4

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
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UNIQUE PUBLICATION-QUADRATIC EQUATIONS -PROBLEM SET
  1. Which one is the quadratic equation?

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  2. Choose the correct answer for the following questions. (ii) Out of t...

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  3. The roots of x^(2)+kx+k=0 are real and equal, find k.

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  4. For sqrt(2) x^2 - 5x + sqrt(2) = 0 find the values of the discriminant...

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  5. Which of the following quadratic equations has roots 3,5 ?

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  6. Choose the correct answer for the following questions. (vi) Out of t...

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  7. Choose the correct answer for the following questions. (vii) sqrt(5)...

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  8. Which of the following are quadratic equations? x^(2)+2x+11=0

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  9. x^2 - 2x +5 = x^2 is quadratic ?

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  10. Which of the following are quadratic equations? (x+2)^(2)=2x^(2)

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  11. Find the value of discriminant for 2y^2-y+2=0

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  12. Find the value of discriminant for each of the following equations. ...

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  13. Find the value of discriminant for sqrt(5) x^2 - x- sqrt(5) =0

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  14. One of the roots of quadratic equation 2x^(2)+kx-2=0 is -2, find k.

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  15. Two roots of quadratic equations are given, frame the equation. 10 a...

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  16. Two roots of quadratic equations are given, frame the equation. 1-3s...

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  17. Two roots of quadratic equations are given, frame the equation. 0 an...

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  18. Determine the nature of roots for quadratic equation 3x^2-5x+7=0

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  19. sqrt3 x^2 - 2sqrt2 x - 2 sqrt3 = 0

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  20. Determine the nature of roots for each of the quadratic equations. m...

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