Solving Linear Systems Graphically Answers
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–2x + y = 32x – y = 4Using elimination to solve this system results in the equation .
A
= 7B
y = 7C
0 = 72
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The equation 0 = 7 is __________ true.
A
sometimesB
alwaysC
never3
The system of equations has
A
no solutionsB
one solutionC
Infinitely many solutions4
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 6.5
What does the solution (8, 5.5) mean in the context of this problem?
A
The cost of 8 child tickets is $5.50.B
The cost of 8 adult tickets is $5.50.C
A child ticket costs $8, and an adult ticket costs $5.50.D
An adult ticket costs $8, and a child ticket costs $5.50.Did you find these answers helpful?
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