Is the following expression a polynomial or not? If not, explain why:
5x2 + 3x -4
No. We're not allowed to raise x to a negative exponent in a polynomial.
Yep. This is technically 4x0, so it counts as a polynomial.
Yes. The coefficients are a bit funny, but and π are real numbers.
No. When we divide 3 by x in the final term, x has an exponent of -1, and we're not allowed to raise x to a negative exponent in a polynomial.
List the terms in the following polynomial:
x + 7
x and 7
-2x3 – 3x + 1
-2x3, -3x, and 1
4x2 + 2x – 1
4x2, 2x, and -1
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