Regents High School Examination - Algebra 2/trigonometry Answers - The University Of The State Of New York, 2011 Page 2

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Part I
Answer
all
27 questions in this part. Each correct answerwilI receive 2 credits. No partial credit
will be allowed. For each question, write on the separate answer sheet the numeral preceding the
word or expression that best completes the statement or answers the question.
[54]
Use this space for
1 A doctor wants to test the effectiveness of a new dmg on her patients.
computations.
She separates her sample of patients into two groups and administers
the dmg to only one of these groups. She then compares the results.
Which type of study best describes this situation?
(1) census
(3) observation
(2) survey
®controlled experiment
2
If
f(x)
=
2
x
,
what is the value of f( -1O)?
x - 16
(1)
_Q
(3) :8
2
~-~
(4) 1 5 8
\5'
42
3 An auditorium has 21 rows of seats. The first row has 18 seats, and
each succeeding row has two more seats than the previous row. How
many seats are in the auditorium?
(1) 540
(.3) 760
(2) 567
(@
798
; %
[:l-q
r
(n-I)J.]
~p,O!')
+(J-I-l)J-]
7CJB
Algebra 2lfrigonometry - June '11
[2J

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