Solving Linear Systems Graphically Answers
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1
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–2x + y = 32x – y = 4Using elimination to solve this system results in the equation .
A
x = 7B
y = 7C
0 = 71
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Consider this system: Which of the following operations would eliminate the x-terms if the two equations were added together afterward?
A
Multiply the first equation by –6.B
Multiply the first equation by –2.C
Multiply the first equation by 2.D
Multiply the first equation by 6.2
The equation 0 = 7 is __________ true.
A
sometimesB
alwaysC
never2
Which of the following operations would eliminate the y-terms if the two equations were added together afterward?
A
Multiply the first equation by -2.B
Multiply the first equation by 2.C
Multiply the second equation by -2.D
Multiply the second equation by 2.3
The system of equations has
A
no solutionsB
one solutionC
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