which of these polynomials is written in descending order?
A) 9 – 14x – 7x2+ x3
B) x3– 7x2– 14x + 9
C) –7x2+ 9 + x3– 14x
D) –14x + x3+ 9 – 7x2
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A) 9 – 14x – 7x2+ x3
B) x3– 7x2– 14x + 9
C) –7x2+ 9 + x3– 14x
D) –14x + x3+ 9 – 7x2
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B. and for the future use ^ when showing a number is an exponent
Look at the exponents on the variable x. Which polynomial has the exponents decreasing as you move to the right?