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Solve the following quadratic equations ...

Solve the following quadratic equations by completing square method: ` x^(2)+8x+15=0 `

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The correct Answer is:
x=-3 or x=-5
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CHETAN PUBLICATION-QUADRATIC EQUATIONS-PROBLEMS FOR PRACTICE
  1. If one root of the quadratic equation 3y^(2)-ky+8=0 is 2/3, find the v...

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  2. Determine whether the given values of x are the roots of given quadrat...

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  3. which of the following are quadratic equations? "(i) " x-5/x=3x-9 " ...

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  4. write the quadratic equations in ax^(2)+bx+c=0 form and find the value...

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  5. Solve the following quadratic equations by factorisation method : x...

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  6. Solve the following quadratic equations by completing square method: ...

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  7. Solve the following quadratic equations by using formula method: 3x^(2...

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  8. Find the value of discriminant for each of the following quadratic equ...

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  9. Determine the nature of roots of the following quadratic equations fro...

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  10. Form the quadratic equation if its roots are "(i) " 0 and -4 "

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  11. Find the value of k for which given quadratic equations are real and e...

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  12. If alpha and beta are the roots of equation x^(2)-4x+1=0, find (i) alp...

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  13. Find k, if one root of the equation 5x^(2)+6x+k=0 is five times the ot...

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  14. A man riding on a bicycle covers a distance of 60 km in a direction of...

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  15. One tank can be filled up by two taps in 6 hours. The smaller tap alon...

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  16. The sum of the squares of two consecutive natural numbers is 113. Find...

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  17. The sum of the squares of two consecutive even natural numbers is 100....

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  18. For doing some work, Ganesh takes 10 days more than John. If both work...

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  19. In garden, there are some rows and columns. The number of trees in a r...

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  20. 3 वर्ष पूर्व रहमान कि आयु (वर्षो में ) का वयुक्तक्र्म और अब से 5 वर्ष ...

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