7400220167 | math4u.vsb.cz

Napsal uživatel michaela.bailova dne Út, 11/05/2024 - 16:13.

Question:

Vyberte všechny soustavy lineárních rovnic, které nemají řešení.

Project ID:

7400220167

SubArea:

Soustavy lineárních rovnic a nerovnic

Answer 1:

\begin{aligned} x + 2 y & = 5 \\ 2 x + 4 y & = 6 \end{aligned}

Answer 1 Correct:

1

Answer 2:

\begin{aligned} x - 2 y & = 1 \\ 4 x - 8 y & = 0 \end{aligned}

Answer 2 Correct:

1

Answer 3:

\begin{aligned} y & = x - 3 \\ y & = x - 2 \end{aligned}

Answer 3 Correct:

1

Answer 4:

\begin{aligned} x & = 3 y - 7 \\ x & = y - 3 \end{aligned}

Answer 4 Correct:

0

Answer 5:

\begin{aligned} x - y & = 3 \\ x + y & = 2 \end{aligned}

Answer 5 Correct:

0

Answer 6:

\begin{aligned} 4 x & = 8 y + 1 \\ 4 x & = 2 y + 1 \end{aligned}

Answer 6 Correct:

0

Answer 7 Correct:

0

Answer 8 Correct:

0