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If alpha = -7 " and " beta = -3 the quad...

If `alpha = -7 " and " beta = -3` the quadratic equation is

A

`x^2-10x -21 =0`

B

`x+10x+21=0`

C

`x^2=10x+21=0`

D

`x^2+10x-21=0`

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UNIQUE PUBLICATION-QUADRATIC EQUATIONS -UNIQUE PRACTICE SESSION
  1. Which of the following is one root of the quadratic equation x^2-7x +1...

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  2. What is nature of the roots of the quadratic equation 9x^2 +6x+1=0

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  3. If alpha = -7 " and " beta = -3 the quadratic equation is

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  4. 9p^2-5p-4=0 for this equation alpha + beta = ….

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  5. Find alpha beta for quadratic equation 6y^2+17y+12=0

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  6. State which root of the following x^2-4x+3 =0 equation

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  7. If alpha+beta = -2, alpha beta = -35 then quadratic equation is …….

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  8. Roots of the quadratic equation are …… for 9x^2-81=0

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  9. Write the given quadratic equation in standard form x+1/x=4

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  10. What are the roots of x^2 + 3x +2 =0

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  11. Find values of y for equation 2y^2 + 5y -7=0

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  12. Find the value of a, b, c in the following quadratic equation: 2x^(2...

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  13. Write the following quadratic equation in a standard form 2x(x+7) + ...

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  14. Verify whether 1 is the root of the quadratic equation: x^(2)+3x-4=0

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  15. Find the value of discriminant for the equation where a=b, b=-4 and c=...

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  16. For one quadratic equation Delta = -12 then state nature of roots for ...

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  17. For one quadratic value of discriminant is 0, then state nature of roo...

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  18. Find alpha + beta " and " alpha beta value for the quadratic equation...

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  19. Find the value of alpha + beta for the equation x^2 + 8x+12 =0

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  20. Find the value of alpha beta for the quadratic equation 2y^2-7y+2=0

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