AnswersGA-Advanced Algebra Concepts and Connections CRCumulative Exam

Cumulative Exam — Cumulative exam Answers

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Which equation could be used to calculate the sum of the geometric series?

Question illustration
A
S 5 = StartFraction one-third (1 minus (two-thirds) Superscript 5 Baseline) Over (1 minus two-thirds) EndFraction
Option A
B
S 5 = StartFraction two-thirds (1 minus (one-third) Superscript 5 Baseline) Over (1 minus one-third) EndFraction
Option B
C
S = StartFraction one-third Over (1 minus two-thirds) EndFraction
Option C
D
S = StartFraction two-thirds Over (1 minus one-third) EndFraction
Option D
43

Which expression is equivalent to ?

Question illustration
A
5 StartRoot 3 EndRoot i
Option A
B
6 StartRoot 3 EndRoot i
Option B
C
7 StartRoot 3 EndRoot i
Option C
D
8 StartRoot 3 EndRoot i
Option D
44

What is the following product?

Question illustration
A
–2
B
2
C
22 –
Option C
D
98 –
Option D
45

Arthur drops a ball from a height of 81 feet above the ground. Its height, h, is given by the equation h = –16t2 + 81, where t is the time in seconds. For which interval of time is the height of the ball less than 17 feet?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
46

Which graph represents ?

Question illustration
A
On a coordinate plane, a parabola with a vertex at (0, 0) opens up.
Option A
B
On a coordinate plane, a curve that begins at (0, 0) opens down and to the right in quadrant 1.
Option B
C
On a coordinate plane, a cubic function is vertical and goes through (0, 0).
Option C
D
On a coordinate plane, a cubic function is horizontal and goes through (0, 0).
Option D
47

Which expression is equivalent to ? Assume x 0 and .

Question illustration
A
StartFraction 4 x (RootIndex 4 StartRoot y squared EndRoot) Over 9 EndFraction
Option A
B
StartFraction 2 x (RootIndex 4 StartRoot y squared EndRoot) Over 3 EndFraction
Option B
C
StartFraction 4 x squared y Over 9 EndFraction
Option C
D
StartFraction 2 x squared y Over 3 EndFraction
Option D
48

What is the true solution to

Question illustration
A
x = 5
Option A
B
x = 10
Option B
C
x = 50
Option C
D
x = 100
Option D
49

Which of the following probabilities is the greatest for a standard normal distribution?

A
P (negative 1.5 less-than-or-equal-to z less-than-or-equal-to negative 0.5)
Option A
B
P (negative 0.5 less-than-or-equal-to z less-than-or-equal-to 0.5)
Option B
C
P (0.5 less-than-or-equal-to z less-than-or-equal-to 1.5)
Option C
D
P (1.5 less-than-or-equal-to z less-than-or-equal-to 2.5)
Option D
50

For what value of x does ?

Question illustration
A
1
B
3
C
12
D
no solution

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