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For what values of k, the equation 2x^(...

For what values of k, the equation ` 2x^(2) +kx + 8 = 0` has real and equal roots ?

A

`-8, 1`

B

8,-8

C

`-2 sqrt(2), -8`

D

none of these

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MTG IIT JEE FOUNDATION-QUADRATIC EQUATIONS-EXERCISE (MULTIPLE CHOICE QUESTION) (LEVEL - 1)
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  2. The roots of the equations 2x - (3)/(x) = 1 are

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  4. The equation k^(2) x^(2) + kx + 1 = 0 has

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  5. If alpha and beta are the zeros of the quadratic polynomial f(x)=x^(2)...

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  6. For what value of k, the equation x^(2) + 4kx + 4 = 0 has equal roots...

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  7. If alpha , beta roots of the equations x^(2) - 5x + 6 = 0, find the va...

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  8. An integer when added to its square equals 182. One of the integer is

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  9. The quadratic equation ax^(2)+bx+c=0 has real roots if:

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  10. Study the statement carefully. Statement I : Both the roots of the e...

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  13. If -5 is a root of the quadratic equation 2x^2+p x-15=0 and the quadra...

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