Question:
Find all systems of linear equations, that have no solutions.
Project ID:
7400220167
Answer 1:
$$
\begin{aligned}
x+2y & =5 \cr
2x+4y & = 6
\end{aligned}
$$
Answer 1 Correct:
1
Answer 2:
$$
\begin{aligned}
x-2y & =1 \cr
4x-8y &=0
\end{aligned}
$$
Answer 2 Correct:
1
Answer 3:
$$
\begin{aligned}
y &= x-3 \cr
y & = x-2
\end{aligned}
$$
Answer 3 Correct:
1
Answer 4:
$$
\begin{aligned}
x &= 3y-7 \cr
x &= y-3
\end{aligned}
$$
Answer 4 Correct:
0
Answer 5:
$$
\begin{aligned}
x-y &=3\cr
x+y &=2
\end{aligned}
$$
Answer 5 Correct:
0
Answer 6:
$$
\begin{aligned}
4x & =8y+1 \cr
4x &= 2y+1
\end{aligned}
$$
Answer 6 Correct:
0
Answer 7 Correct:
0
Answer 8 Correct:
0