# Algebra II 2011 Fall Semester Final Exam

50 Questions  Settings  Read each question and choose the best answer. Then click on the circle for the answer you have chosen. For this exam you may assume that the value of the denominator of a rational expression is not zero. PLEASE NOTE: Once you select your answer and click onto the next question, you will NOT be able to go back to change your answer.

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The number 8.09 belongs to which sets of numbers?
• A.

Natural numbers, real numbers

• B.

Irrational numbers, real numbers

• C.

Rational numbers, real numbers

• D.

Whole numbers, integers, rational numbers, real numbers

• 40.
Which of the following expression in NOT equivalent to the others?
• A.

3x - y - x - y

• B.

-2(x - y)

• C.

2(x - y)

• D.

2x - 2y

• 41.
• A.

All real numbers

• B.

No real numbers

• C.

X > 2/3

• D.

X < -11/6

• 42.
• A.

-3

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0

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3

• D.

6

• 43.
How many outcomes are in the sample space for rolling a number cube and tossing a coin?
• A.

2

• B.

6

• C.

12

• D.

24

• 44.
• A.

2y = -x + 13

• B.

2y = x + 13

• C.

2y - x = 13

• D.

2y + x = -13

• 45.
For the equation 3x - 2y = 12, which has value -6?
• A.

The x-intercept

• B.

The y-intercept

• C.

The slope

• D.

The origin

• 46.
Suppose y varies directly with x.  If x is 30 when y is 10, what is x when y is 9?
• A.

3

• B.

27

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29

• D.

300/9

• 47.
• A.

(-3, 5)

• B.

(-3, 11)

• C.

(0, 5)

• D.

(3, 5)

• 48.
The vertices of a feasible region are (0, 0), (0, 2), (5, 2), (4, 0).  For which objective function is the maximum cost C found at the vertex (4, 0)?
• A.

C = -2x + 3y

• B.

C = 2x + 7y

• C.

C = 4x - 3y

• D.

C = 5x + 3y

• 49.
• A.

(6, 0, 0)

• B.

(3, 3, 3)

• C.

(0, 4, 0)

• D.

(1, 1, 7)

• 50.
Reflection in which line takes the figure with vertices A(0, 0), B(-2, 4), C(-4, 2), and D(-3, 0) to A'(0, 0), B'(-2, -4), C'(-4, -2), and D'(-3, 0)?
• A.

X-axis

• B.

Y-axis

• C.

Y = x

• D.

Y = -x