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Math B Regents Exam Questions by Type - Multiple Choice Page 2
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7. The accompanying diagram shows the
construction of a model of an elliptical orbit
of a planet traveling around a star. Point P
and the center of the star represent the foci of
the orbit.
11. Through how many radians does the minute
hand of a clock turn in 24 minutes?
[A] 08 . π [B] 04 . π
[C] 02 . π [D] 06 . π
12. Written in simplest form, the expression
2
x − 9x
is equivalent to
2
45x−
5x
[A] − 1 5
[B] − 5 [C] 5 [D] 1 5
Which equation could represent the relation
shown?
[A]
[C]
2 2
2 2
x y
81 + 225 = 1 [B] x y
− =1
15 9
2 2
x y
+ = 1 [D]
225 81
2 2
x y
+ =1
15 9
8. If A is a positive acute angle and sin A = 5 ,
3
what is cos 2A?
[A] 1 9
[B] − 1 3
[C] − 1 9
[D] 1 3
9. Two objects are 24 . × 10 20 centimeters apart.
A message from one object travels to the
other at a rate of 12 . × 10 5 centimeters per
second. How many seconds does it take the
message to travel from one object to the
other?
[A] 20 . × 10 4 [B] 288 . × 10 25
[C] 12 . × 10 15 [D] 20 . × 10 15
13. An overhead view of a revolving door is
shown in the accompanying diagram. Each
panel is 1.5 meters wide.
What is the approximate width of d, the
opening from B to C?
[A] 1.73 m [B] 2.12 m
[C] 3.00 m [D] 1.50 m
14. Which diagram represents a relation in which
each member of the domain corresponds to
only one member of its range?
[A]
[C]
[B]
[D]
10. What is the solution set of the equation
x
x− − 1
x+ = 28
?
2
4 3 x −x−12
[A] { } [B] {4,-6} [C] {4} [D] {-6}