下面就是
62、坐标图上画出两根线段,相交于一点,求这点的坐标。两根线段的另一头分别为(0,0)和(5,3),线段1的SLOPE为1/8,线段2的SLOPE为2/5。
【答案】(-40/11,-5/11)
【思路】已知一点做标与斜率可得出直线方程, 分别为:y=1/8*x &y=2/5*x+1解方程组即为交点坐标.
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下面就是
62、坐标图上画出两根线段,相交于一点,求这点的坐标。两根线段的另一头分别为(0,0)和(5,3),线段1的SLOPE为1/8,线段2的SLOPE为2/5。
【答案】(-40/11,-5/11)
【思路】已知一点做标与斜率可得出直线方程, 分别为:y=1/8*x &y=2/5*x+1解方程组即为交点坐标.
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