Search Header Logo

數學 試卷二

Authored by TSZ LAM

Mathematics

8th Grade

Used 2+ times

數學 試卷二
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

(9x + 2)(9x - 2) =

18x – 4

81x2 – 4

81x2 + 36x – 4

81x2 – 36x – 4

2.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

x2 – 10x + 25 =

(x + 5)2

(5 – x)2

(x + 5)(x – 5)

(x – 25)2

3.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

4x2 + 12xy + 9y2 =

(2x + 3y)(2x – 3y)

(4x + 9y)2

(2x + 3y)2

(3x + 2y)2

4.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

已知 a = 4bc / 3。若 b = 6 及 c = 9,則 a =

18

24

72

216

5.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

已知 p = 4(ab)。若 p = –8 及 a = 9,則 b =

-11

-7

7

11

6.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

若一個量度的真確值是250 mm和絕對誤差是5 mm,則相對誤差是

0.01

0.02

0.05

0.1

7.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

一組數據的第一個組區間和第二個組區間分別是「1 – 50」和「51 – 100」。第二組的組界是

50.5 – 100.5

50.5 – 99.5

51.5 – 100.5

51.5 – 99.5

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?