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Find the values of k for which the quadr...

Find the values of k for which the quadratic equation `4x^2 -12x -k=0` has real and equal roots.

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AGRAWAL PUBLICATION-QUADRATIC EQUATIONS-EXAMPLE
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  2. Find the value/s of k for which the quadratic equation 3x^2 + kx + 3 ...

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  3. Find the values of k for which the quadratic equation 4x^2 -12x -k=0 h...

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  4. Find the nature of the roots of the quadratic equation 2x^2 -4x +3=0.

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  5. is 0.2 a root of the equation x^2 -0.4 =? justify

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  6. For what vkues of k, the roots of the equation x^2 + 4x + k =0 are rea...

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  7. If x=2 and m=3, the equation is 3x^2 - 2kx +2m =0, find k.

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  8. if one root of the quadratic equation 6x^2 -x-k=0 is 2/3, then find th...

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  9. For what value of 'a' does the quadratic equation x^2 -ax +1=0 not hav...

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  10. if x=3 is one root of the quadratic equation 1x62- 2kx-6=0, then find ...

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  11. Find the value of k for which the roots of the quadratic equation 2x^2...

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  12. For what positive values of k, does the quadratic equation 3x^2 -kx +3...

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  13. If alpha, beta (alpha lt beta) are the roots of the equation 6x^(2) + ...

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  14. Solve for x: 8x^2 -2x -3 =0

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  15. Solve the following quadratic equation: 6a^2 x^2 - 7abx - 3b^2 =0

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  16. Solve for x: sqrt3 x^2 + 10x - 8 sqrt3 =0

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  17. A quadratic equation with integral coefficient has integral roots. Jus...

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  18. Does there exist a quadratic equation whose coefficients are rational ...

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  19. Solve for x: (x+3)/(x+2) = (3x-7)/(2x-3), x != -2, 3/2

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  20. Find the roots of the quadratic equation sqrt2 x^2 + 7x + 5 sqrt2 =0

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