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Find k, if the roots of the quadratic eq...

Find k, if the roots of the quadratic equation `kx^2-4x+4=0` are equal

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The correct Answer is:
k=1
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TARGET PUBLICATION-QUADRATIC EQUATIONS-Additional problems for Practice : Based on Practice set 2.5
  1. Form the quadratic equation, if its roots are (vii) 4 and 2/3

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  2. Form the quadratic equation, if its roots are (viii) (-25)/8 and 25/...

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  3. Find k, if the roots of the quadratic equation kx^2-4x+4=0 are equal

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  4. Find the value (s) of k for which the given quadratic equations has r...

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  5. Find the value (s) of k for which the given quadratic equations has ...

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  6. Find m, if the quadratic equation (m-1)x^2-2(m-1)x+1=0 has real and ...

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  7. If alpha and beta are the roots of the equation x^2-9x+14=0, find (i...

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  8. If alpha and beta are the roots of the equation x^2-9x+14=0, find (i...

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  9. If alpha and beta are the roots of quadratic equation x^(2)+5x-1=0 t...

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  10. If alpha and beta are the roots of quadratic equation x^(2)+5x-1=0 t...

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  11. The difference between the roots of the equation x^2-13x+k=0 is 7, ...

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  12. Find k if the sum of the roots of the quadratic equation 4x^2 + 8kx + ...

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  13. If the sum of the roots of the quadratic equation is 3 and sum of th...

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  14. Find the value of discriminant of the following quadratic equations. ...

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  15. Find the value of discriminant of the following quadratic equations. ...

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  16. Find the value of discriminant of the following quadratic equations. ...

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  17. Find the value of discriminant of the following quadratic equations. ...

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  18. Find the value of the discriminant ( Delta ) for the quadratic equati...

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  19. Determine the nature of roots of the following quadratic equations. ...

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  20. Determine the nature of roots of the following quadratic equations. ...

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