Choose the condition for consistency and solve the problem

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Answer variants:

\frac{a_{1}}{a_{2}} \neq \frac{b_{1}}{b_{2}}

inconsistent

\frac{a_{1}}{a_{2}} = \frac{b_{1}}{b_{2}} = \frac{c_{1}}{c_{2}}

\frac{a_{1}}{a_{2}} = \frac{b_{1}}{b_{2}} \neq \frac{c_{1}}{c_{2}}

consistent

1. The condition for the system to be inconsistent is

2. The system of equations

2 x + 9 y + 4 = 0

and

7 x + 2 y + 7 = 0

are

Did you find an error?

10. Choose the condition for consistency and solve the problem