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Cumulative Review #10

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Last updated almost 5 years ago
20 questions
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Space for work is provided, but is not required on this assignment.

Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
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Question 11
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Question 12
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Question 13
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Question 14
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Question 15
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Question 16
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Question 17
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Question 18
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Question 19
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Question 20
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Ohm's law of physics states that V = IR , where V is the voltage, I is the electric current, and R is the resistance. The formula is used to find measurements of voltage and current that travel through simple electrical circuits of differing lengths of wire. Which of the following states the law to highlight the current, I ?
The accompanying table represents Emily's savings account for the last year. Which function represents the account balance in terms of her monthly savings?

f(x) = 50x - 12
f(x) = 12x + 50
f(x) = 12x
f(x) = 12x - 50
When factored completely, the expression p4 - 81 is equivalent to
(p2 + 9)(p + 3)(p - 3)
(p2 + 9)(p2 - 9)
(p + 3)(p - 3)(p + 3)(p - 3)
(p2 - 9)(p2 - 9)
Which function has the same y-intercept as the graph below?

Identify the slope of the equation:

4 = -8x - 8y
Express in simplest form: (w - 2) 2
w2 + 4
w2 - 4
w2 + 4w - 4
w2 - 4w + 4
Which is the equation of the line passing through the
point (4, 0) and with a slope of -1/2 ?
Simplify the product below:

( 2k - 6 ) ( 3k - 5 )
10k - 22
5k - 11
6k2 - 28k + 30
6k2 - 6k - 11
Which expression is equivalent to
e4 - 12e2 + 36 ?
(6 - e2)(6 + e2)
(e2 + 6)(e6 + 6)
(e2 - 6)(e2 - 6)
(e2 + 6)(e2 - 6)
What is the solution to the inequality:
4x + 2 < x - 5 ?
The equation for the volume of a cylinder is shown below.
The positive of r , in terms of h and V is

If the quadratic formula is used to find the roots of the equation
x2 - 6x - 19 = 0 , the correct roots are
Which ordered pair is not in the solution set of the system of inequalities below?


( 4 , 3 )
( 3 , 4 )
( 5 , 3 )
( 4 , 4 )
Given the functions f(x) and g(x) ,
for which values of x is f(x) = g(x) ?


-1.438 and 0
-1.75 and 4
0 and 4
-1.75 and -1.438
Which equation has the same solutions as
x2 - 6x - 12 = 0 ?
(x - 3)2 = 21
(x + 3)2 = 21
(x + 3)2 = 3
(x - 3)2 = 3
How does the graph of
f(x) = 3(x - 2)2 + 1 compare
to the graph of g(x) = x2 ?
The graph of f(x) is narrower than the graph of g(x), and its vertex is moved to the right 2 units and up 1 unit.
The graph of f(x) is wider than the graph of g(x), and its vertex is moved to the right 2 units and up 1 unit.
The graph of f(x) is wider than the graph of g(x), and its vertex is moved to the left 2 units and up 1 unit.
The graph of f(x) is narrower than the graph of g(x), and its vertex is moved to the left 2 units and up 1 unit.
If 4x2 - 100 = 0 , then the roots of the equation are
-25 and 25
-5 and 5
-5, only
-25, only
The zeros of the function
f(x) = (x + 2)2 - 25 are
-3 and 7
-7 and 3
-5 and 2
-2 and 5
Which point is NOT on the graph represented by
q(x) = x2 + x - 7 ?
( -6 , 23 )
( -4 , 5 )
( 2 , 1 )
( 4 , 13 )
What are the axis of symmetry and vertex
of the function n(x) = x2 - 4x - 2 ?
Axis of Symmetry: x = 2 ; Vertex ( 2 , -6 )
Axis of Symmetry: x = -2 ; Vertex ( -2 , -6 )
Axis of Symmetry: x = 2 ; Vertex ( 2 , 6 )
Axis of Symmetry: x = -2 ; Vertex ( 2 , 6 )