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Magazine Problem 3
\(u^{2} \cdot u^{3} \cdot u\)
Problem 25
\(\frac{-12 z^{3}}{3 z}\)
Problem 39
\(7 x^{4} y^{-1}\)
Problem 77
Is the sum of two binomials always a binomial? Explain.
Problem 82
Writing Write a paragraph that explains how the adage "You can't add apples and oranges" might relate to adding two polynomials. Include several examples to illustrate the applicability of this statement.
Problem 86
\((u+5)^{2}+(u-5)^{2}\)
Problem 100
Reasoning What is the degree of the product of two polynomials of degrees \(m\) and \(n\) ? Explain.
Problem 108
Astronomy The star Vega is approximately 25 lightyears from Earth (see figure). (A light-year is the distance light can travel in l year.) A light- year is approximately \(5.8657 \times 10^{12}\) miles. Approximate the distance from Earth to Vega and write the answer in scientific notation. (Source: NASA)
