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Which of the following quadratic equati...

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

A

`x^2 - 15x + 8 =0`

B

`x^2 - 8x+15=0`

C

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

D

`x^2 + 8x-15 = 0`

Text Solution

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The correct Answer is:
B
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UNIQUE PUBLICATION-QUADRATIC EQUATIONS -PROBLEM SET
  1. The roots of x^(2)+kx+k=0 are real and equal, find k.

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

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

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

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

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

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

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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 2y^2-y+2=0

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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 sqrt(5) x^2 - x- sqrt(5) =0

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

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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 quadratic equation 3x^2-5x+7=0

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

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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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