PRECALCULUS SUPPLEMENTARY II

PRECALCULUS - AP CALCULUS PRECALCULUS SUPPLEMENTARY II Problems 1 A bus travels the first 4.0 km of its route in 15 minutes How many hours will it

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AP CALCULUS PRECALCULUS SUPPLEMENTARY II Problems : 1) A bus travels the first 4.0 km of its route in 15 minutes. How many hours will it take to travel the next 48.3 km if it continues at the same speed? A) 181.1 B) 12.9 C) 3.0 D) 2.5 E) 2.0 2) An antibiotic is added to a culture of bacteria and is found to kill 1 3 of the bacteria in the culture every 30 seconds. If a laboratory assistant checks the culture after two minutes, what fraction of the original bacteria will have been killed? A) 16 81 B) 8 27 C) 19 27 D) 65 81 E) 80 81 3) A professor scored a student’s test of 100 questions by subtracting three times the number of incorrect responses from the number of correct responses. If the student answered all 100 questions and received a score of 68, how many questions did she answer correctly? A) 42 B) 84 C) 89 D) 92 E) 94 4) Consider the points on the Cartesian plane to the right. If a and d are even integers and b and c are odd integers, then which of the following could be the value of d ? A) ac B) bc C) ab 2 D) bc E) 2 +
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5) What is the length of BC in the diagram to the right? A) 10 B) 16 C) 18 D) 20 E) 24 6) In the figure below, what is the length of BC ? A) 12 B) 18 C) 20 D) 22 E) 30 7) Which is bigger, 125 100 or 36 150 ? Justify your choice.
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This note was uploaded on 07/27/2010 for the course MATH MATH 1025 taught by Professor Tanny during the Spring '09 term at York University.

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PRECALCULUS - AP CALCULUS PRECALCULUS SUPPLEMENTARY II Problems 1 A bus travels the first 4.0 km of its route in 15 minutes How many hours will it

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