SOLUTION: which of the following system of linear equations has an infinite number of solutions? a. x+3y=10, 4x+12y=40 b. x+y=11, x-y=2 c. x+y=11, 2x-y=6 d. 2x+y=8, 4x+2y=11

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Question 970866: which of the following system of linear equations has an infinite number of solutions?
a. x+3y=10, 4x+12y=40
b. x+y=11, x-y=2
c. x+y=11, 2x-y=6
d. 2x+y=8, 4x+2y=11

Answer by reviewermath(1029)   (Show Source): You can put this solution on YOUR website!
hich of the following system of linear equations has an infinite number of solutions?
a. x+3y=10, 4x+12y=40
b. x+y=11, x-y=2
c. x+y=11, 2x-y=6
d. 2x+y=8, 4x+2y=11
Answer: a. x+3y=10, 4x+12y=40
Explanation: The two lines are exactly the same. If we multiply the first equation by a nonzero constant (4) we get the second equation.

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