7th Class Mathematics Algebraic Expressions Question Bank Algebraic Expressions

  • question_answer
    How many trinomials are there?
    (i) \[4y-7z\]
    (ii) \[x+y-xy\]
    (iii) \[7mn\]
    (iv) \[{{z}^{2}}-3z+8\]
    (v) \[1+x+{{x}^{2}}\]

    A)  2                                

    B)  3                    

    C)         4                    

    D)         5

    Correct Answer: B

    Solution :

    An expression having 3 terms is know as trinomial.


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