Which one is a polynomial? 3x/2x + x + 8, 3x² + 1/x − 5, 3x³ − 4x² − x√4, x² − 3x + √2
- 3x/2x + x + 8
- 3x² + 1/x − 5
- 3x³ − 4x² − x√4
- x² − 3x + √2
Explanation
Polynomial = variables with whole number powers 0,1,2,3... only. No 1/x, no variable in denominator, no √x.
x² − 3x + √2 → √2 is just a constant, powers are 2,1,0.
So x² − 3x + √2 is the correct choice.
Last verified on 09-06-2026
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