Question:
Znajdź wszystkie układy równań liniowych, które mają nieskończenie wiele rozwiązań.
Project ID:
7400120167
Answer 1:
$$
\begin{aligned}
x+2y & =5 \cr
2x+4y & = 10
\end{aligned}
$$
Answer 1 Correct:
1
Answer 2:
$$
\begin{aligned}
0{,}3x-y & =2 \cr
1{,}5x-5y &=10
\end{aligned}
$$
Answer 2 Correct:
1
Answer 3:
$$
\begin{aligned}
x-y &= 2 \cr
5x-5y & = 10
\end{aligned}
$$
Answer 3 Correct:
1
Answer 4:
$$
\begin{aligned}
3x-10y &= 20 \cr
-1{, }5x +5y &= -10
\end{aligned}
$$
Answer 4 Correct:
1
Answer 5:
$$
\begin{aligned}
x-y &=2 \cr
5x - 5y &=2
\end{aligned}
$$
Answer 5 Correct:
0
Answer 6:
$$
\begin{aligned}
x & =10-2x \cr
4y &= 10-2x
\end{aligned}
$$
Answer 6 Correct:
0
Answer 7 Correct:
0
Answer 8 Correct:
0