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複習: 直線方程(進階提升)

Authored by iokhong che

Mathematics

12th Grade

CCSS covered

Used 15+ times

複習: 直線方程(進階提升)
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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知A(-6,0), B(3,6), P(0,3), Q(6,-6), 判斷直線AB與PQ的位置關係。

相交

平行

垂直

重合

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

當m=?時,過點A(m,1),B(-1,m)的直線與過點P(1,2),Q(-5,0)的直線平行。

13\frac{1}{3}

12\frac{1}{2}

−1-1

−2-2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

當m=?時,過點A(m,1),B(-1,m)的直線與過點P(1,2),Q(-5,0)的直線垂直。

13\frac{1}{3}

12\frac{1}{2}

−1-1

−2-2

Tags

CCSS.8.EE.B.5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

當a為何值時,直線 L1: y=−x+2aL1:\ y=-x+2a 與直線 L2: y=(a2−2)x+2L2:\ y=\left(a^2-2\right)x+2 平行?

  • - 1

38\frac{3}{8}

12\frac{1}{2}

2\sqrt[]{2}

Tags

CCSS.HSA.REI.B.3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

當a為何值時,直線 L1: y=(2a−1)x+3L1:\ y=\left(2a-1\right)x+3 與直線 L2: y=4x−3L2:\ y=4x-3 垂直?

  • - 1

38\frac{3}{8}

12\frac{1}{2}

2\sqrt[]{2}

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

已知 ΔABC\Delta ABC 的兩個頂點 A(−3,0)A\left(-3,0\right) , B(2,1)B\left(2,1\right) ,

ΔABC\Delta ABC 的重心 G(−1,1)G\left(-1,1\right) ,則AB邊中線所在的直線方程為( )

x+y=0x+y=0

x−y=0x-y=0

x+2y=0x+2y=0

x−2y=0x-2y=0

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

已知直線 mx+4y−2=0mx+4y-2=0 與 2x−5y+n=02x-5y+n=0 互相垂直,

垂足為 (1,p)\left(1,p\right) ,則 m−n+p=m-n+p= ( )

24

20

0

-4

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