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NeTakaya
3 years ago
8

Without graphing classify each system as independent dependent or inconsistent -x -y=7 5x-5y=5

Mathematics
1 answer:
jek_recluse [69]3 years ago
5 0

Answer:

Is a consistent independent system

Step-by-step explanation:

we have

-x-y=7 -----> isolate the variable y

y=-x-7 ----> equation A

5x-5y=5 -----> isolate the variable y

y=x-5 ---> equation B

Compare equation A and equation B

We can affirm that

The slopes are not equal ( so the lines are not parallel)

The lines are different

The product of their slopes is equal to -1 (the lines are perpendicular)

so

The system of equations has only one solution

therefore

Is a consistent independent system

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