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S5 直線方程HW2

Authored by HOI WONG

Mathematics

8th Grade

Used 2+ times

S5 直線方程HW2
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8 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Q1 (3,2) 13Q1\ 求通過點(–3,2)及斜率是\ \frac{-1}{3}的直線的方程。  

 x + 3y + 3 = 0

  x + 3y – 3 = 0

  x 3y – 3 = 0

  x  3y + 3 = 0

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Q2 L 54 y 12 LQ2\ 直線L的斜率是\ \frac{5}{4}\ 而y截距是\ \frac{-1}{2}\ 。求L的方程。  

5x – 4y – 2 = 0

5x + 4y – 2 = 0

5x – 4y + 2 = 0

5x + 4y + 2 = 0

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Q3 直線L1通過點 (8 , –7) 而x截距是4。 (a)    求L1的方程。

7x  – 4y + 28  = 0

7x  – 4y – 28  = 0

7x + 4y + 28  = 0

7x + 4y – 28  = 0

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Q4 直線L的x截距是2而y截距是–1。求L的方程。

x + 2y – 2 = 0

x – 2y – 2 = 0

x – 2y + 2 = 0

x + 2y + 2 = 0

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Q5 直線L的方程是4x – 8y – 5 = 0。   求L的斜率。

2

1/3

1/2 

-2

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Q6 直線L的方程是–6x + 2y + 1 = 0。 求L的斜率。

3

-1 / 3 

-3

-1/2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Q7 求平行於 L : 3x + 2y – 8 = 0 並穿過 P(4 , 5) 的直線的方程。

3x+2y+22=0

3x+2y-22=0

3x-2y-22=0

3x-2y+22=0

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