3-2-1(練習2)
Interactive Video
•
Education
•
8th Grade
•
Easy
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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