3-2-1(練習2)

3-2-1(練習2)

Assessment

Interactive Video

Education

8th Grade

Easy

Created by

余武蔚 余武蔚

Used 1+ times

FREE Resource

4 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將 x² + x - 12 因式分解時,常數項 -12 應拆解成哪兩個數,使其相乘為 -12 且相加為 +1?

+6, -2

+4, -3

+3, -4

+12, -1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x² + x - 12 的正確因式分解為何?

(x + 6)(x - 2)

(x + 4)(x - 3)

(x + 3)(x - 4)

(x + 12)(x - 1)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將 x² - 11x - 12 因式分解時,常數項 -12 應拆解成哪兩個數,使其相乘為 -12 且相加為 -11?

+12, -1

+6, -2

-12, +1

-6, +2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x² - 11x - 12 的正確因式分解為何?

(x + 12)(x - 1)

(x - 6)(x + 2)

(x - 12)(x + 1)

(x + 6)(x - 2)

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