Solving Linear Systems Graphically Answers
5 verified answers
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 = 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
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.Did you find these answers helpful?
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