Mathematics
Senior High
Resolved
合ってますか?
No.
Dare 78 ±
土
19.
1 4 12
3^3 3
2
I
-3
3x4
1x28
366
16 18
2
不等式(3x+4y-12)(x-2y+4)≧0の表す領域を図示せよ。
ABO 13x+4g-12≦013x+4y-12≧0
1x-2y+4≧0
4y-3x+12
y=-2x+3×4
-29Z-x-4
2y≦x+4
y≦x+2
y=-2x+3
4
y≦1/2x+2
y=-2x+3
4
X + 4 € 2
24
yy
{1x-2y+40
4y2-3(+12
y=-2x+3
4
1-24≤-x-4
y≧1/2x+2
49
ただし、境界線を含む。
y≧-2x+3
4
y≧1/2x+2
4=12/2x+2
14
x
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