Mathematics B Regents High School Examination - The University Of The State Of New York, 2007 Page 2

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Part I
Answer all questions in this part. Each correct answer will 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.
[
]
40
Use this space for
1 Which equation best represents the accompanying graph?
computations.
y
x
−x
x
(1) y = 2
(3) y = 2
+ 2
(4) y = −2
x
2
(2) y = x
2 The accompanying diagram shows the approximate linear distances
traveled by a sailboat during a race. The sailboat started at point S,
traveled to points E and A, respectively, and ended at point S.
S
E
65°
x
75°
A
Based on the measures shown in the diagram, which equation can be
used to find x, the distance from point A to point S?
x
sin
75
x
32
=
=
(1)
(3)
sin
65
32
65
75
sin
65
sin
75
65
32
=
=
(2)
(4)
x
32
x
75
[2]
Math. B – Jan. ’07

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