→ Tiderus : a)y=2x+6.b)A(7,0)P(-1,4).c)20 09/24 21:36
→ kalamotoro : 能否站內信給我算式呢？謝謝 09/24 22:18
→ kerwinhui : (c) 什麼shaded region? 09/24 23:14
→ hateann : shaded region應該是指L1,L2,x軸,y軸所圍成的區域. 09/25 10:59
In the figure,L1:x+2y-7=0 cut the x-axis at A.The x-intercept of another line
L2 is -3. Supposed L'1 Is perpendicular with L2 and they intersect at P.
a)Find the equation of L2.
b)find the coordinates of A and P
c)Find the area of the shaded region.
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※ 編輯: kalamotoro (124.11.209.187), 09/24/2014 21:32:18