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Kabir writes a polynomial in $x$ that is a trinomial AND quadratic.
Which of the following could be his polynomial?

Class 9Degree and Types of PolynomialsPolynomials

A $x^{3} + x^{2} + x$
B $x^{2} + 3 x + 2$
C $x^{2} + 1$
D $5 x + 2$

Step-by-Step Solution

Quadratic means degree 2 and trinomial means three terms.

x^{2} + 3 x + 2

has degree 2 and three terms.

Answer: B)

x^{2} + 3 x + 2

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