Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. y + 1
B. simplest form
C. -1
D. 1
Answer: B
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The number represents an approximate measurement. State the range represented by the measurement.17.3 m
A. 17.25 m to 17.35 m B. 16.3 m to 18.3 m C. 17.29 m to 17.31 m D. 17.275 m to 17.325 m
Write the indicated term of the binomial expansion.(x + 2y)9; 4th term
A. 336x6y4 B. 336x3y6 C. 672x3y6 D. 672x6y3
Use a graphing utility to solve the system of equations. Express the solution rounded to two decimal places.
A. x = 1.18, y = 1.03; x = 1.07, y = 1.52; x = -0.91, y = 2.88 B. no solution C. x = 1.99, y = 0.13; x = 1.04, y = 1.70; x = -0.91, y = 2.95 D. x = 1.81, y = 0.28; x = 0.20, y = 2.45; x = -0.20, y = -2.45
Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = -9; d = 2an = ?; a6 = ?
A. an = -9 + 2n; a6 = 1 B. an = -11 + 2n; a6 = 1 C. an = -11 - 2n; a6 = 1 D. an = -11 + 2n; a6 = 15