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If -1/2 is a root of the quadratic equa...

If `-1/2` is a root of the quadratic equation `2x^2+ax-3=0`,find the value of a.

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KALYANI PUBLICATION-QUADRATIC EQUATION-EXERCISE
  1. If 2 is a root of the quadratic equation x^2-ax+8=0,find the value of ...

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  2. If -3 is a root of the quadratic equation x^2+ax+6=0,find the value of...

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  3. If -1/2 is a root of the quadratic equation 2x^2+ax-3=0,find the valu...

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  4. Find the value of a and b for which x=2,3 are the roots of the equatio...

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  5. If x=1/3,-1 are the roots of the equation ax^2+bx-1=0,find a and b.

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  6. If x=11,7 are the roots of the equation ax^2+bx+77=0,find the value of...

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  7. If x=-5,-7 are the roots of the equation ax^2+bx+35=0,find the value o...

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  8. If x= -4/3,7/5 are the roots of the equation mx^2+nx-28=0,find the val...

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  9. Solve the following equation by using the method of factorisation: 2...

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  10. Solve the following equation by using the method of factorisation: 1...

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  11. Solve the following equation by using the method of factorisation: 3...

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  12. Solve the following equation by using the method of factorisation: a...

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  13. Solve the following equation by using the method of factorisation: (...

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  14. Solve the following equation by using the method of factorisation: x...

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  15. Solve the following equation by using the method of factorisation: x...

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  16. Solve the following equation by using the method of factorisation: s...

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  17. Solve the following equation by using the method of factorisation: 4...

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  18. Solve the following equation by using the method of factorisation: x...

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  19. Solve the following equation by using the method of factorization: a...

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  20. Solve the following equation by using the method of factorization: x...

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