Unit 4 Exam (System of Equations)
Authored by Carrien Roach
Mathematics
8th Grade
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The solution to a set of linear equations is graphed. Which of the following could be the set of equations?
y = -2x + 4 and y = 2
y = -2x - 4 and y = 2
y = -1/2x + 4 and x = 1
y = -x + 4 and x = 1
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the solution to this system of equations?
(0, -2)
(0, 3)
(-1, 1)
(1, -1)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Crazy Cakes makes wedding cakes and birthday cakes. One week they made 2 wedding cakes and 5 birthday cakes and made $500. The next week they made 1 wedding cake and 7 birthday cakes but only made $430. What is the cost of a wedding cake? What is the cost of a birthday cake?
wedding = $30
birthday = $175
wedding = $40
birthday = $150
wedding = $150
birthday = $40
wedding = $175
birthday = $30
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the solution for the following system:
2y - 4x = 14
-x + y = 5
(-2, 3)
(-2, 5)
No Solution
Infinite Solution
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the solution for the following system:
y = -2x + 4
10x + 5y = 20
(-3, 5)
(0, -3)
No Solution
Infinite Solutions
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the solution for the following system:
-2x - y = -3
10x + 5y = 20
(2, 5)
(0, 3)
No Solution
Infinite Solutions
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the solution for the following system:
3x + y = 14
2x + 3y = 14
(2, 5)
(4, 2)
No Solution
Infinite Solutions
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