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Choose the correct answer for the following questions.
(vi) Out of the following equations, find the equation having the sum of its roots -5.

A

`3x^2-15x+3=0`

B

`x^2-5x+3=0`

C

`x^2+3x-5=0`

D

`3x^2+15x+3=0`

Text Solution

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The correct Answer is:
D
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TARGET PUBLICATION-QUADRATIC EQUATIONS-probelm set - 2
  1. Which of the following is the value of the discriminant for sqrt(2)x^...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. Solve the following quadratic equations : 1/(x+5)=1/x^(2)

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  20. Solve the following quadratic equations: x^(2)-(3x)/(10)-1/(10)=0

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