Regents High School Examination - Mathematics B Worksheet - The University Of The State Of New York, 2004 Page 5

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4
12 What is the middle term in the expansion of (x + y)
?
Use this space for
computations.
2
2
2
2
(1) x
y
(3) 6x
y
2
2
2
2
(2) 2x
y
(4) 4x
y
13 What is the image of point (1,1) under r
° R
?
x-axis
0,90°
(1) (1,1)
(3) (–1,1)
(2) (1,–1)
(4) (–1,–1)
14 How many distinct triangles can be formed if m∠A = 30, side b = 12,
and side a = 8?
(1) 1
(3) 3
(2) 2
(4) 0
(
)
3
+
2
n
1
b
15 The expression
is equivalent to
n
+
4
n
3
b
b
n
–3n
b
(1)
(3) b
2
n
–3n+1
(2) b
(4) b
16 What is the inverse of the function y = log
x?
4
4
x
(1) x
= y
(3) 4
= y
4
y
(2) y
= x
(4) 4
= x
17 Which angle is coterminal with an angle of 125°?
(1) –125°
(3) 235°
(2) –235°
(4) 425°
[5]
[OVER]
Math. B – Aug. ’04

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