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If the roots of a quadratic equations ar...

If the roots of a quadratic equations are 0 and `-(1)/( 2),` the equations is:

A

` 2x^(2) +x=0 `

B

` x^(2) +(1)/(2)=0 `

C

` 2x^(2) +1=0 `

D

` 2x^(2) -x=0 `

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The correct Answer is:
a
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OSWAAL PUBLICATION-QUADRATIC EQUATIONS -TOPIC -2 Relation between Roots and its Coefficients and Formation of Equations (MULTIPLE CHOICE QUESTIONS
  1. Sum of a number and its reciprocal is 5(1)/(5). Then the required equ...

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  2. In the equations ax^(2) +bx +c=0 , if b=0 then the equations.

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  3. The length of a rectangle is 4 cm more then the breadth. The area is 6...

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  4. If the sum of the roots of a quadratic equations is -5 and the product...

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  5. The product of the roots of the equations x^(2) + 5x+ (k+ 4) =0 i...

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  6. The quadratic equations among the following is :

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  7. The sum and product of the roots of the quadratic equation 4x^(2) + ...

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  8. The hypotenuse of a right-angled triangle is 13 cm. If one side of the...

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  9. If the roots of a quadratic equations are 0 and -(1)/( 2), the equatio...

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  10. Twice the square of a number added to three times the number is equal ...

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  11. Select the pure quadratic equations:

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  12. The roots of an equation are +2 and -2 ,then the equations is a/an:

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  13. The height of triangle is 4 cm more than the base. Its area is 30 sq. ...

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  14. If an equation has only one root , then the equations is:

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  15. If m and n are the roots of the equations x^(2) - 6x+ 2 =0 then the ...

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  16. The quadratic equation whose roots are (3+-sqrt(5)) is :

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  17. The sum and product of the roots of the equations 2x^(2) = 3x, respec...

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  18. If the product of the roots of the equations x^(2) + 3x + q=0 is ze...

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  19. Parabola is a curve obtained from:

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  20. If m and n are the roots of the quadratic equations x^(2)- 6x+ 2 =0 ...

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