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If a=1,b=8,c=15, find the value of b^2-4...

If a=1,b=8,c=15, find the value of b^2-4ac.

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NAVNEET PUBLICATION-QUADRATIC EQUATION-EXERCISE
  1. Find the values of a,b and c for the following quadratic equations by ...

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  2. Solve : x^2+8x+15=0

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  3. If a=1,b=8,c=15, find the value of b^2-4ac.

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  4. Form quadratic equations from the information given below: The sum of...

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  5. Form quadratic equations from the information given below: The sum of...

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  6. If one root of the quadratic equation x^2-7x+k=0 is 2, find the val...

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  7. If x=3 is one of the roots of the quadratic equation kx^2-10x+3=0, f...

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  8. Complete the following activity to find the value of the discriminant ...

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  9. Find the value of the discriminant of each of the following quadratic ...

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  10. Find the value of the discriminant of each of the following quadratic ...

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  11. Find the value of the discriminant of each of the following quadratic ...

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  12. Determine the nature of the roots of the following equations from thei...

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  13. Determine the nature of the roots of the following equations from thei...

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  14. Determine the nature of the roots of the following equations from thei...

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  15. Find the values of alpha + beta and alphabeta for the following quadra...

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  16. Find the values of alpha + beta and alphabeta for the following quadra...

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  17. Find the values of alpha + beta and alphabeta for the following quadra...

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  18. Find the values of alpha + beta and alphabeta for the following quadra...

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  19. Form the quadratic equation, if the roots are -2 and -3.

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  20. Form the quadratic equation, if the roots are 1/2 and -4

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