Q

Algebra II - Review 8

(10 Questions)
28 viewed last edited 4 years ago
Algebra II
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Teresa and Julia are among 10 students who have applied for a trip to Washington, D.C. Two students from the group will be selected at random for the trip. What is the probability that Teresa and Julia will be the 2 students selected?
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There are 12 candidates in a city election. The winner will be the mayor, and the runner-up will be the vice-mayor. How many different combinations of mayor and vice-mayor are possible?
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A train is made up of a locomotive, 7 different cars, and a caboose. If the locomotive must be first, and the caboose must be last, how many different ways can the train be ordered?
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Abelardo wants to create several different 7-character screen names. He wants to use arrangements of the first 3 letters of his first name (abe), followed by arrangements of 4 digits in 1984, the year of his birth. How many different screen names can he create in this way?
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On a recent test, Jeremy wrote the equation shown. Which of the following statements is correct about the equation he wrote?
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If x is a real number, which best describes the values of x for which the inequality √x > 0 is true?
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If x is a real number, for what values of x is the equation shown true?
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Which of the following conclusions is true about the statement shown?
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Given the equation shown, where x > 0 and n < 0, which statement is valid for real values of y?
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If x is a real number, for what values of x is the equation presented true?
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