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第四冊1-3圓與直線的關係

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

圓(x - 1)2 + (y + 3)2 = 16與直線3x + 4y - 11 = 0的交點有多少個?

a)

0

b)

1

c)

2

2.

圓(x - 1)2 + (y + 3)2 = 16與直線3x + 4y - 1 = 0的交點有多少個?

a)

0

b)

1

c)

2

3.

圓(x - 1)2 + (y + 3)2 = 16與直線3x + 4y - 21 = 0的交點有多少個?

a)

0

b)

1

c)

2

4.

x2 + y2 - 6x - 4y + 4 = 0與直線3x + 4y - 7 = 0的交點有多少個?

a)

0

b)

1

c)

2

5.

x2 + y2 - 6x - 4y + 4 = 0與直線3x + 4y -2 = 0的交點有多少個?

a)

0

b)

1

c)

2

6.

x2 + y2 - 6x - 4y + 4 = 0與直線3x + 4y + 3 = 0的交點有多少個?

a)

0

b)

1

c)

2

7.

下列哪一點在圓Cx2 + y2 = 5的外部?

a)

( - 1 , 2)

b)

(2 , - 1)

c)

(1 , 1)

d)

( - 3 , 4)

8.

下列哪一點在圓Cx2 + y2 = 5的內部?

a)

( - 1 , 2)

b)

(2 , - 1)

c)

(1 , 1)

d)

( - 3 , 4)

9.

下列哪一點在圓Cx2 + y2 =25 的圓周上?

a)

( - 1 , 2)

b)

(2 , - 1)

c)

(1 , 1)

d)

( - 3 , 4)

10.

直線L:2x - y + 2 = 0,與

C:(x - 1)2 + (y + 1)2 = 4,有幾個交點?

a)

0

b)

1

c)

2