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One of the roots of equation x^(2)+mx-5=...

One of the roots of equation `x^(2)+mx-5=0` is 2 find m.

A

(i) `-2`

B

(ii) `-1/2`

C

(iii) `1/2`

D

(iv) `2`

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-QUADRATIC EQUATIONS-probelm set - 2
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  2. sqrt(5)m^(2)-sqrt(5)m+sqrt(5)=0 which of the following statement is tr...

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  3. One of the roots of equation x^(2)+mx-5=0 is 2 find m.

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  4. Which of the following are quadratic equations? x^(2)+2x+11=0

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  5. Which of the following are quadratic equations? x^(2)-2x+5=x^(2)

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  6. Which of the following are quadratic equations? (x+2)^(2)=2x^(2)

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  7. Find the value of discriminant for each of the following equations. ...

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  8. Find the value of discriminant for each of the following equations. ...

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  9. Find the value of discriminant for each of the following equations. ...

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  10. If one root of the quadratic equation 2x^(2)+kx-2=0 is -2, find the ...

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  11. Two roots of quadratic equations are given, frame the equation. 10 a...

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  12. Two roots of quadratic equations are given, frame the equation. 1-3s...

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  13. Two roots of quadratic equations are given, frame the equation. 0 an...

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  14. Determine the nature of roots for each of the quadratic equations. 3...

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  15. Determine the nature of roots for each of the quadratic equations. s...

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  16. Determine the nature of roots for each of the quadratic equations. m...

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  17. Solve the following quadratic equations : 1/(x+5)=1/x^(2)

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  18. Solve the following quadratic equations: x^(2)-(3x)/(10)-1/(10)=0

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  19. Solve the following quadratic equations: (2x+3)^(2)=25

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  20. Solve the following quadratic equations : m^(2)+5m+5=0

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