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State whether the following quadratic eq...

State whether the following quadratic equations have two distinct real roots. Justicy your answer:
`2x^(2)+x-1=0`

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OSWAL PUBLICATION-QUADRATIC EQUATIONS-NCERT EXEMPLAR (Exercise- 4.2)
  1. State whether the following quadratic equations have two distinct real...

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  2. State whether the following quadratic equations have two distinct real...

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  3. State whether the following quadratic equations have two distinct real...

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  4. State whether the following quadratic equations have two distinct real...

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  5. State whether the following quadratic equations have two distinct real...

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  6. State whether the following quadratic equations have two distinct real...

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  7. State whether the following quadratic equations have two distinct real...

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  8. State whether the following quadratic equations have two distinct real...

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  9. State whether the following quadratic equations have two distinct real...

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  10. State whether the following quadratic equations have two distinct real...

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  11. Write whether the following statements are true or false. Justify your...

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  12. Write whether the following statements are true or false. Justify your...

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  13. Write whether the following statements are true or false. Justify your...

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  14. Write whether the following statements are true or false. Justify your...

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  15. Write whether the following statements are true or false. Justify your...

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  16. If the coefficient of x^(2) and the constant term have the same sign a...

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  17. A quadratic equation with integral coefficients has integral roots. Ju...

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  18. Does there exist a quadratic equation whose coefficients are rational ...

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  19. Does there exist a quadratic equation whose coefficients are all disti...

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  20. Is 0.2 a root of the equation x^(2)-0.4=0? Justify your answer.

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