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One of the roots of the quadratic equati...

One of the roots of the quadratic equation `5m^2+2m+k=0` is `-7/5`. Complete the following activity to find the value of `k`.

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The correct Answer is:
`-7`
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BAL BHARTI-QUADRATIC EQUATIONS-Practice Set 2.1
  1. Write any two quadratic equations.

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  2. Decided which of the following are quadratic equations. (i)x^(2)+5x-...

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  3. Decided which of the following are quadratic equations. (ii) y^2=5y-...

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  4. Decided which of the following are quadratic equations. (iii) y^(2)+...

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  5. Decided which of the following are quadratic equations. (iv) x+1/x=-...

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  6. Decided which of the following are quadratic equations ? (iii) (l+2)...

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  7. Decided which of the following are quadratic equations. (vi) m^3+3m^...

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  8. Write the following equations in the form of ax^(2)+bx+c=0, then wri...

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  9. Write the following equations in the form of ax^(2)+bx+c=0, then wri...

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  10. Write the following equations in the form of ax^(2)+bx+c=0, then wri...

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  11. Write the following equations in the form of ax^(2)+bx+c=0, then wri...

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  12. Write the following equations in the form of ax^(2)+bx+c=0, then wri...

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  13. Write the following equations in the form of ax^(2)+bx+c=0, then wri...

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

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

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  16. Find k if x=3 is a root of equation kx^2-10x+3=0

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  17. One of the roots of the quadratic equation 5m^2+2m+k=0 is -7/5. Comple...

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