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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

(i) 0

B

(ii) 4

C

(iii) 0 or 4

D

(iv) 2

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-QUADRATIC EQUATIONS-probelm set - 2
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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.

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  4. Which of the following is the value of the discriminant for sqrt(2)x^...

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

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  8. One of the roots of equation x^(2)+mx-5=0 is 2 find m.

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

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  10. Which of the following are quadratic equations? x^(2)-2x+5=x^(2)

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

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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 each of the following equations. ...

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

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  15. If one root of the quadratic equation 2x^(2)+kx-2=0 is -2, find the ...

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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. 1-3s...

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

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  19. Determine the nature of roots for each of the quadratic equations. 3...

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

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