Gujarat BoardEnglish MediumSTD 7MATHSAlgebraic Expressions1 Mark
MCQ
Which of the following is a polynomial?
✓
$2x$
B
$x^2 + y^{-2} - 2z^2$
C
$5x^3y^2z^3$
D
$x + x^2 + x^3 + x^4$
✓
Answer
Correct option: A.
$2x$
A polynomial is an algebraic expression in which the variables have powers as whole numbers. Option $C$ contains power as $-2$ which is not the whole number, options $A, C$ and $D$ are polynomials.
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