Class 9 Exam  >  Class 9 Notes  >  Lab Manuals for Class 9  >  Viva Voce: Quadratic Polynomials

Viva Voce: Quadratic Polynomials | Lab Manuals for Class 9 PDF Download

Q.1. Is Viva Voce: Quadratic Polynomials | Lab Manuals for Class 9 a polynomial?

No, as power of y in 2/y is -1


Q.2. Whatis the degree of ax2 + bx + c?

2


Q.3. Give one example of a binomial.

x + 5y.


Q.4. Find two numbers whose sum is 0 and product is -6.

√6 and -√6


Q.5. Find two numbers whose sum is 1 and product is -12.

-3 and 4.


Q.6.  Write the product of (2x – 1)(x + 1).

2x2 + x – 1


Q.7. Is 2 + x2 + x a polynomial?

Yes.


Q.8. What is the degree of a quadratic polynomial?

The degree of a quadratic polynomial is 2.


Q.9.  Factorize: x2 + 7x + 12.

(x + 3)(x + 4).


Q.10. How many linear factors can be in a quadratic polynomial?

2 linear factors.

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