AnswersAG Q3 Math 8 25-26 JTurnerUnit Test

Unit Test — Unit test Answers

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What is the solution to the system of equations below? and

Question illustration
A
(1, 2)
B
(1, –18)
C
(–1, 8)
D
(–1, –6)
22
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Which shows the correct first step to solving the system of equations in the most efficient manner?

Question illustration
A
x = negative 4 y + 19
Option A
B
x = StartFraction negative 2 y + 17 Over 3 EndFraction
Option B
C
4 y = negative x + 19
Option C
D
y = StartFraction negative 3 x + 17 Over 2 EndFraction
Option D
23

To solve the system of linear equations and by using the linear combination method, Laura correctly multiplied the first equation by –2 to get and then correctly added the equations and to get 0 = 4. How many solutions are there to the system of equations?

Question illustration
A
0
B
1
C
2
D
4
24

What is the solution to the system of equations below? and x = –10

Question illustration
A
(–10, –7)
B
(–10, –1)
C
(–7, –10)
D
(–1, –10)
25

The equations , , , and are shown on the graph below. Which is the approximate solution for the system of equations and ?

Question illustration
A
(–0.3, 2.1)
B
(–0.3, –2.1)
C
(0.9, –1.8)
D
(0.9, 1.8)

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Unit Test — Unit test Answers — AG Q3 Math 8…