AnswersLA-Algebra IIIUnit Test

Unit Test — Unit test Answers

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21
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Determine whether the graphs of and are parallel, perpendicular, coincident, or none of these.

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A
parallel
B
coincident
C
perpendicular
D
none of these
22
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State whether the function is bounded above, bounded below or bounded. y = a. bounded above c. bounded b. bounded below Please select the best answer from the choices provided

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A
A
B
B
C
C
23

Determine the graph that has the following properties: Domain: Range: Axis of symmetry: x = 4 a. c. b. d. Please select the best answer from the choices provided

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A
A
B
B
C
C
D
D
24

Determine the domain of the function a.c.b.d.

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A
A
B
B
C
C
D
D
25

On a coordinate plane, a curved line with minimum values of (negative 2, 0) and (1.05, negative 41), and a maximum value of (negative 0.5, 5), crosses the x-axis at (negative 2, 0), (0, 0), and (1.5, 0), and crosses the y-axis at (0, 0).

Question illustration
A
As the x-values go to positive infinity, the function’s values go to positive infinity.
B
As the x-values go to zero, the function’s values go to positive infinity.
C
As the x-values go to negative infinity, the function’s values are equal to zero.
D
As the x-values go to negative infinity, the function’s values go to negative infinity.
26

On a coordinate plane, a curved line crosses the x-axis at (negative 1, 0) and crosses the y-axis at (0, 0.25). The line exits the plane at (negative 2, negative 6) and (2, 6).

Question illustration
A
As the x-values go to positive infinity, the function's values go to negative infinity.
B
As the x-values go to zero, the function's values go to positive infinity.
C
As the x-values go to negative infinity, the function's values are equal to zero
D
As the x-values go to positive infinity, the function's values go to positive infinity.
27

The graph of a linear function is shown.

Question illustration
A
positive
B
negative
C
zero
D
undefined
28

Which function shows a fabric with a price of $1.25 per square yard?

A
A table showing Price of Fleece with five columns and two rows. The first row, Square Yards, has the entries, 1, 2, 3, 4. The second row, Price, has the entries, $1.25, $2.00, $2.75, $3.50.
Option A
B
A table showing Price of Fleece with five columns and two rows. The first row, Square Yards, has the entries, 1, 2, 3, 4. The second row, Price, has the entries, $0.25, $1.25, $2.25, $3.25.
Option B
C
A coordinate plane showing Price of Fleece. The x-axis shows Number of Square Yards and the y-axis shows Price in dollars. A line starts at (0, 0) and passes through (5, 4) and ends (10, 8).
Option C
D
A coordinate plane showing Price of Fleece. The x-axis shows Number of Square Yards and the y-axis shows Price in dollars. A line starts at (0, 0) and passes through (4, 5) and ends (8, 10).
Option D

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