Question

Which system of equations has no solutions

Answer 1

Answer:

Step-by-step explanation:

3x+4y=5

6x+8y=10

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-2(3x+4y)=-2(5)

6x+8y=10

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-6x-8y=-10

6x+8y=10

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0=0

Answer: Infinitely many solutions.

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7x-2y=9

7x-2y=13

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-1(7x-2y)=-1(9)

7x-2y=13

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-7x+2y=-9

7x-2y=13

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0=4

Answer: NO Solution.

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2x-y=-11

-2x+y=11

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0=0

Answer: Infinitely many solutions.

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3x+6y=1

x+y=0

x=0-y=-y

3(-y)+6y=1

-3y+6y=1

3y=1

y=1/3

x=-y=-1/3

Answer: x=-1/3, y=1/3. (-1/3, 1/3).