Which of the following expression is a polynoial
A) 3x-2 - 7x + 1
B) 7x²+2/x-8
C) x²-x-1
D)x²+x/2+1/x
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Step-by-step explanation:
A) 3x-2 - 7x + 1 = - 4x - 1
Therefore, this is a polynomial
B) 7x²+2/x-8
Therefore, this is not a polynomial
Because, the power of the variable is negative.
C) x²-x-1
Therefore, this is a polynomial
D)x²+x/2+1/x
Therefore, this is not a polynomial
Because, the power of the variable is negative.
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