annan65
18.03.2021 •
Mathematics
How many solutions exist for the system of equations graphed below?
5
4
3
2
1
-54-3 -2 -11
1
2
3
4 5
X
2.
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Ответ:
5
4
3
2
1
-54-3 -2 -11
1
2
3
4 5
X
2.
Ответ:
turn x-2y=-8 into x=2y-8 and then substitute into the other equation. this becomes 3(2y-8)-6y=-12. simplify to 6y-24-6y=-12. the 6y-6y cancels each other out, leaving -24=-12. -24 does not equal -12, so therefore there is no solution. since there is no solution, we can then assume that the lines do not intersect and that they are parallel.