Practice Expression Formulations - CBSE Class 7 Offered by Unacademy

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Expression Formulations

Quick practice

Question 1 of 5

Which of the following is a polynomial?

A

$\frac{3}{x-7}$

B

$8 x^{5}-7 x y^{4}+6 x^{3}-5$

C

$-10 x^{5} y^{-1}$

D

$4 x^{2}-3 x^{1 / 2}+2 y^{1 / 2}$