建餐二乙期末考

建餐二乙期末考

11th Grade

20 Qs

quiz-placeholder

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建餐二乙期末考

建餐二乙期末考

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

Created by

賴珍寧 賴珍寧

Used 18+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

求圓心在(2, – 3),半徑為5的圓方程式為何?

(x + 2)2 + (y + 3)2 = 25

(x – 2)2 + (y + 3)2 = 5

(x – 2)2 + (y + 3)2 = 25

(x + 2)2 + (y – 3)2 = 25

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

設一圓的圓心為(1, – 2)且過點(5, – 5),求圓方程式為何?

(x + 1)2 + (y – 2)2 = 25  

(x – 1)2 + (y + 2)2 = 25

(x + 1)2 + (y – 2)2 = 10

(x – 1)2 + (y + 2)2 = 10

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

若方程式x2 + y2 – 6x + 8y + k = 0圖形為一點,試求k值為何?

4

9

16

25

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

A(2, 3)、B(5, – 1)為直徑兩端點之圓方程式為何?

(x – 2)(x – 5) + (y – 3)(y + 1) = 0

(x + 2)(x + 5) + (y + 3)(y – 1) = 0

(x – 2)(x – 3) + (y – 5)(y + 1) = 0

(x – 2)(x – 5) – (y – 3)(y + 1) = 0

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

試判別方程式x2 + y2 + 2x – 2y + 7 = 0之圖形為何?

點  

橢圓  

無圖形

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

設點P(– 2, 1)在圓Cx2 + y2 + kx – 4y – 9 = 0的外部,求k範圍為何?

k > 3  

k < – 3

k < – 4

k > 4

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

試判斷圓Cx2 + y2 + 6x – 4y + 9 = 0與直線L:3x – 4y = 0的關係為何?

相交於兩點 

相離  

相切 

圓心在直線上

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