Solve the simultaneous equations using the algebraic method.
1) x^2 +y^2 = 25
3x-4y+25=0
2) x^2 +y^2 +3x +2y = -2
2x-3y=2
3) 2x^2 -3xy -2y^2 -12=0
-2x + 3y +4 =0
F4 Number and Algebra
2008-08-26 7:16 am
回答 (1)
2008-08-26 10:46 am
✔ 最佳答案
As follows:圖片參考：http://hk.geocities.com/stevieg_1023/0se1.gif
圖片參考：http://hk.geocities.com/stevieg_1023/0se2.gif
收錄日期: 2021-04-22 00:37:25
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https://hk.answers.yahoo.com/question/index?qid=20080825000051KK03483