Unit Test Answers
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1
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How many solutions exist for the system of equations below?
A
noneB
oneC
twoD
infinitely many2
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Which step is not necessary when solving this system of equations by graphing?
A
Identify the point of intersection.B
Choose a method to graph the equations.C
Determine the shaded area for each line.D
Write the solution as an ordered pair.3
Which system of equations is inconsistent?
A
mc013-1.jpg
B
mc013-2.jpg
C
mc013-3.jpg
D
mc013-4.jpg
4
Which statement describes the graph of the system of equations?
A
The lines are parallel.B
The lines are coinciding.C
The lines intersect at (1, 0).D
The lines intersect at (–1, 0).5
Which answer describes the graph of the system of equations?
A
The point of intersection is (0, 4).B
The point of intersection is (4, 0).C
The lines are parallel.D
The lines coincide.
7
Which system of inequalities has a solution set that is a line?
A
mc025-1.jpg
B
mc025-2.jpg
C
mc025-3.jpg
D
mc025-4.jpg
8
Which equation can pair with 3x + 4y = 8 to create a consistent and independent system?
A
6x + 8y = 16B
–3x – 4y = –6C
6x – 3y = 2D
–3x – 4y = –89
What is the solution to the system graphed below?
A
(1, 1)B
(1, –1)C
(–1, 1)D
(–1, –1)
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