Math B Regents Exam 0802 With Answers - Jmap
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9Math B Regents Exam 0802
Page 1
1.
6.
080201b, P.I. A2.S.15
080206b
Which fraction represents the probability of
An architect is designing a building to include
obtaining exactly eight heads in ten tosses of a
an arch in the shape of a semi-ellipse (half an
fair coin?
ellipse), such that the width of the arch is 20
feet and the height of the arch is 8 feet, as
64
90
[A]
[B]
shown in the accompanying diagram.
1 024
,
1 024
,
180
45
[C]
[D]
1 024
,
1 024
,
2.
080202b, P.I. A2.S.5
In a New York City high school, a survey
revealed the mean amount of cola consumed
each week was 12 bottles and the standard
deviation was 2.8 bottles. Assuming the
survey represents a normal distribution, how
many bottles of cola per week will
approximately 68.2% of the students drink?
Which equation models this arch?
[A] 9.2 to 14.8
[B] 12 to 20.4
2
2
2
2
x
y
x
y
[C] 6.4 to 17.6
[D] 6.4 to 12
+
=
+
=
[A]
1
[B]
1
100 64
400 64
3.
080203b, P.I. A2.A.1
2
2
2
2
x
y
x
y
+
=
+
=
What is the solution of the inequality
[C]
1
[D]
1
64 100
64
400
x + ≤
3 5?
[A] − ≤ ≤
≤ −
≥
7.
2
x
8
[B] x
8
or x
2
080207b, P.I. A2.A.5
To balance a seesaw, the distance, in feet, a
[C] − ≤ ≤
≤ −
≥
8
x
2
[D] x
2
or x
8
person is from the fulcrum is inversely
proportional to the person's weight, in
4.
080204b, P.I. A2.A.39
pounds. Bill, who weighs 150 pounds, is
= 2
x
What is the domain of f ( )
x
?
sitting 4 feet away from the fulcrum. If Dan
weighs 120 pounds, how far from the fulcrum
[A] all real numbers
[B] all integers
should he sit to balance the seesaw?
[C] x ≤ 0
[D] x ≥ 0
[A] 3 ft
[B] 3.5 ft
[C] 4.5 ft
[D] 5 ft
5.
080205b, P.I. A2.A.44
8.
080208b, P.I. A2.A.36
A function is defined by the equation
What is the last term in the expansion of
=
−
y
5
x
5. Which equation defines the
+ 2
5
(
x
y
)
?
inverse of this function?
5
5
5
5
[A] 2
y
[B] y
[C] 10
y
[D] 32
y
1
1
=
=
[A] x
[B] y
−
−
5
y
5
5
x
5
9.
080209b, P.I. A2.A.28
=
−
=
+
[C] x
5
y
5
[D] y
5
x
5
+
=
In the equation log
4
log
9 2
,
x is equal
x
x
to
[A] 6
[B] 6 5 .
[C]
13
[D] 18
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