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拋物線&座標平面LV1

Authored by JDArc Liu

Mathematics

10th Grade

Used 5+ times

拋物線&座標平面LV1
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20 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

二次函數f (x) = 3x^2 + 6x + 10圖形的頂點坐標為 (A) (B) (1 , 19) (C) (−3 , 19) (D)

(−1 , 7)

(1 , 19)

(−3 , 19)

(−2 , 10)

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

二次函數f (x) = ax2 + bx + c圖形如下,下列何者不真

(A) a > 0 (B) b > 0 (C) c > 0 (D) b2 − 4ac < 0

a > 0

b > 0

c > 0

b2 − 4ac < 0

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

設a < 0 < b,則點P (a − b , −a)在 (A)第一象限 (B)第二象限 (C)第三象限 (D)第四象限

(A)第一象限

(B)第二象限

(C)第三象限

(D)第四象限

4.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

設A (2 , −1)、B (−4 , 7),則線段AB的長度為

7

8

9

10

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

A

B

C

D

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

函數f (x) = x2x − 6與x軸的交點是 (A) (−2 , 0)、(3 , 0) (B) (−3 , 0)、(2 , 0) (C) (−2 , 0)、(−3 , 0) (D) (2 , 0)、(3 , 0) 

(A) (−2 , 0)、(3 , 0)

(B) (−3 , 0)、(2 , 0)

(C) (−2 , 0)、(−3 , 0)

(D) (2 , 0)、(3 , 0)

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

若f (x) = 3x − 5,g (x) = x^2 + 1,則g (f (1)) = (A) −5 (B) 5 (C) −2 (D) −4

−5

5

-2

-4

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