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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`. Complete the following activity to 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 wheter the value given against each of the quadratic equatio...

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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. Complete the follo...

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  4. Write any two quadratic equations.

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

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  6. Decide which of the following are quadratic equations : y^(2)=5y-1...

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  7. Decide which of the following are quadratic equations : y^(2)+(1)/...

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  8. Decide which of the following are quadratic equations : x+(1)/(x)=...

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  9. Decide which of the following are quadratic equations : (m+2)(m-5)...

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  10. Decide which of the following are quadratic equations : 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+x=0, then write...

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

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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 equatratic equations in the form ax^(2)+bx+c=0. Wr...

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

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  17. Determine whether the values given against each of the quadratic equat...

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

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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. Complete the follo...

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