國中數學選擇題

國中數學選擇題

8th Grade

24 Qs

quiz-placeholder

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國中數學選擇題

國中數學選擇題

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

紘軒 張

Used 1+ times

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24 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

下列何者不能因式分解?

x2-1

x2+4x

2x2+3x+1

x2+x+1

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

利用提公因式的方式將(6x-8)2+3x(4-3x)因式分解,則其結果為下列何者?

(4-3x)(9x-16)

(3x-4)(9x+16)

(3x-4)(4-3x)

(3x-4)(9x-16)

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

求(585+285)2-4×585×285 的值為何?

80000

90000

68875

76455

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

利用除法判別下列各式中,哪一個不是多項式 x3-6x2+11x-6 的因式?

x-4

x-3

x-2

x-1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

因式分解 x4-5x2+4 的結果為下列何者?

(x-1)2(x+2)2

(x-1)2(x-2)2

(x-1)(x+1)(x-2)(x+2)

(x-1)(x-2)(x-3)(x-4)

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

下列何者不是(x+3)(x-2)-(x-2)的因式?

x+2

x-2

x2-4

x+3

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

下列各式中,有幾個式子為-x2+1 的因式?

x2+1

x+1

-x-1

3x-3

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