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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. If alpha and beta are the roots of the quadratic equation 2x^2+6x-5=0,...

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  2. From the quadratic equation, if its roots are (i) 10 and 3

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  3. From the quadratic equation, if its roots are (ii) 4 and 5

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  4. From the quadratic equation, if its roots are (iii) 5 and 7

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  5. Form the quadratic equation, if the roots are 3 and 8

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  6. Form the quadratic equation if its roots are 3 and –4.

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  7. Obtain a quadratic equation whose roots are -3 and -7.

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  8. From the quadratic equation, if its roots are (vii) 4 and 2/3

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

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

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

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

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

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

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

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

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

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

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

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  20. If the sum of the roots of the quadratic equation is 3 and sum of thei...

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