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The roots of x^2+kx+k=0 are real and equ...

The roots of `x^2+kx+k=0` are real and equal. Find K. a)0 b)4 c)0 or 4 d)2

A

0

B

4

C

0 or 4

D

2

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-QUADRATIC EQUATIONS-probelm set - 2
  1. Which one is the quadratic equation?

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  2. Out of the following equations which one is not a quadratic equation...

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  3. The roots of x^2+kx+k=0 are real and equal. Find K. a)0 b)4 c)0 or 4 d...

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  4. Choose the correct answer for the following questions. (iv) For sqrt...

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  5. Choose the correct answer for the following questions. (v) Which of ...

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

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  7. sqrt(5)m^(2)-sqrt(5)m+sqrt(5)=0 which of the following statement is tr...

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  8. Choose the correct answer for the following questions. (viii) One of...

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  9. Which of the following equation is quadratic? (i) x^2+2x+11=0.

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  10. Which of the following equation is quadratic? (ii) x^2-2x+5=x^2.

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  11. Which of the following equation is quadratic? (iii) (x+2)^2=2x^2

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  12. Find the value of discriminat for each of the following equations. (...

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  13. Find the value of discriminat for each of the following equations. (...

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  14. Find the value of discriminat for each of the following equations. (...

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  15. One of the roots of quadratic equation 2x^2+kx-2=0 is -2. Find k.

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

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  17. Two roots of quadratic equations are given: frame the equation. (ii)...

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  18. Two roots of quadratic equations are given: frame the equation. (iii...

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  19. Determine the nature of roots for each of the quadratic equation. (i...

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  20. Determine the nature of roots for each of the quadratic equation. (i...

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