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One of the roots of equation 5m^(2)+2m+k...

One of the roots of equation `5m^(2)+2m+k=0` is `-7/5`. find the value of 'k'.

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The correct Answer is:
k=-7
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TARGET PUBLICATION-QUADRATIC EQUATIONS-Practice set 2.1
  1. Determine whether the value given against each of the quadratic equati...

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

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  3. One of the roots of equation 5m^(2)+2m+k=0 is -7/5. find the value of...

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  4. Write any two quadratic equations.

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

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

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

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

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

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

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  11. Write the following equations in the form ax^2+bx+c=0, then write the ...

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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. Write the following equations in the form ax^2+bx+c=0, then write the ...

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  15. Write the following quatratic equations in the form ax^(2)+bx+c=0. W...

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  16. Write the following quatratic equations in the form ax^(2)+bx+c=0. W...

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  17. Determine wheter the value given against each of the quadratic equatio...

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

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

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  20. One of the roots of equation 5m^(2)+2m+k=0 is -7/5. find the value of...

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