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Roots of the quadratic equation are …… f...

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

A

`-7, 6`

B

`6, -6`

C

`3, -3`

D

`9, -9`

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UNIQUE PUBLICATION-QUADRATIC EQUATIONS -UNIQUE PRACTICE SESSION
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  2. If alpha+beta = -2, alpha beta = -35 then quadratic equation is …….

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

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

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

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

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

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

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

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

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

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

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  16. If alpha + beta =3 " and " alpha beta = -4 for one quadratic equatiojn...

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  17. If for one quadratic equation alpha + beta =5 " and " alpha beta =6 , ...

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  18. For one quadratic equation alpha^2 + beta^2 =13 " and " alpha beta =6,...

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  19. Solve by factorisation . 2x^2+9x+9=0

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  20. Solve by factorisation . 9x^2-144/25 =0

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