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Choose the correct answer for the following questions.
(viii) One of the roots of equation `x^2+mx-5=0` is 2, find m.

A

-2

B

`-1/2`

C

`1/2`

D

2

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The correct Answer is:
C
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TARGET PUBLICATION-QUADRATIC EQUATIONS-probelm set - 2
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  5. Which of the following equation is quadratic? (ii) x^2-2x+5=x^2.

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  6. Which of the following equation is quadratic? (iii) (x+2)^2=2x^2

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

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