求通過A(–1 , 1)和B(2 , 3) 兩點的直線的方程。

F4 直線方程

Quiz
•
Mathematics
•
6th - 8th Grade
•
Hard
Used 1+ times
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9 questions
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1.
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1 min • 1 pt
2.
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1 min • 1 pt
求通過A(–8 , –1)和B(5 , –4) 兩點的直線的方程。
3.
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1 min • 1 pt
兩條直線L1:7x + 6y + 3 = 0和L2:4x – 5y – 32 = 0相交於A點。
(a) 求A的坐標。
4.
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1 min • 1 pt
兩條直線L1:7x + 6y + 3 = 0和L2:4x – 5y – 32 = 0相交於A點。
(用Q.3(a) answer)
(b) 求通過 A 且 y截距是 –6的直線的方程。
5.
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1 min • 1 pt
兩條直線L1:3x – y + 7 = 0和L2:3x + 2y – 5 = 0相交於B點。
(a) 求B的坐標。
6.
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1 min • 1 pt
兩條直線L1:3x – y + 7 = 0和L2:3x + 2y – 5 = 0相交於B點。
(B的坐標用Q.5 ans)
(b) 求通過B且平行於直線x + 2y – 1 = 0的直線的方程。
7.
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1 min • 1 pt
兩條直線L1:3x – y + 7 = 0和L2:3x + 2y – 5 = 0相交於B點。
(B的坐標用Q.5 ans)
(c) 求通過B且垂直於直線x – 3y – 6 = 0的直線的方程。
8.
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1 min • 1 pt
直線L1的方程是2x + 3y + 19 = 0。直線L2的y截距是 –2且垂直於L1。
(a) 求L2的方程。
9.
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1 min • 1 pt
直線L1的方程是2x + 3y + 19 = 0。直線L2的y截距是 –2且垂直於L1。
( L2的方程用Q.8 ans)。
(b) 求L1和L2的交點的坐標。
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