1 EX 1
d
1y = 7 x – 1,5 y = – 1, 5 x – 7 y = 1, 5 x – 7 y = – 1, 5 x + 7
d
23 3 y = — x – — 2 8
2 8 y = — x – — 3 3
3 8 y = — x – — 2 3
2 8 y = – — x + — 3 3 d
3y = – 3, 4 x + 28, 8 y = – 3, 2 x + 45 y = – 3, 2 x + 10, 4 y = – 3, 4 x + 30
d
4y = x y = – 2 x + 2 y = – x + 2 y = – x
-11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
-2 -1 1 2 3 4 5 6 7 8 9 10 11