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Find k, one of the roots of the quadrati...

Find k, one of the roots of the quadratic equation
`kx^(2) – 7x + 12 = 0` is 3.

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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 2.1
  1. Write the following equations in the form ax^2+bx+c=0. Also, find th...

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  2. Write the following equations in the form ax^2+bx+c=0. Also, find th...

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  3. Determine whether the value given against each of the qaudratic equati...

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  4. What are the roots of the quadratic equation 2x^(2) - 7 x + 6 =0 ?

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  5. Determine whether the value given against each of the qaudratic equati...

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  6. Determine whether the value given against each of the qaudratic equati...

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  7. If one root of the quadratic equation kx^(2) – 7x + 5 = 0 is 1, then...

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  8. Find k, one of the roots of the quadratic equation kx^(2) – 7x + 12 ...

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  9. If one of the roots of the quadratic equation x^(2) – 7x + k = 0 is 4...

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  10. Which of the following are qudratic equations? (i) x^2-x-5=0 (ii) ...

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  11. Write the following equations in the form ax^2+bx+c=0. Also, find th...

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  12. Write the following equations in the form ax^2+bx+c=0. Also, find th...

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  13. Write the following equations in the form ax^2+bx+c=0. Also, find th...

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  14. Write the following equations in the form ax^2+bx+c=0. Also, find th...

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  15. Determine whether the value given against each of the qaudratic equati...

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  16. Determine whether the value given against each of the qaudratic equati...

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  17. Determine whether the value given against each of the qaudratic equati...

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  18. If one root of the quadratic equation kx^(2) – 7x + 5 = 0 is 1, then...

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  19. Find k, one of the roots of the quadratic equation kx^(2) – 7x + 12 ...

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  20. If one of the roots of the quadratic equation x^(2) – 7x + k = 0 is 4...

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