การแยกตัวประกอบพหุนามดีกรีสองตัวแปรเดียว
Authored by jirawan mapik
Mathematics
8th Grade
CCSS covered
Used 500+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x2-8x-20
(x+10)(x-2)
(x-10)(x+2)
(x-4)(x-5)
(x+5)(x+4)
Tags
CCSS.HSA.SSE.A.2
CCSS.HSA.SSE.B.3
CCSS.HSA.REI.B.4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x2-3x-18
(x+6)(x-3)
(x-6)(x+3)
(x-9)(x+2)
(x-2)(x+9)
Tags
CCSS.HSA.SSE.A.2
CCSS.HSA.SSE.B.3
CCSS.HSA.REI.B.4
CCSS.HSA.APR.B.2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x2 - 7x - 18
( x - 3 )( x + 6 )
( x - 6 )( x + 3 )
( x - 2 )( x + 9 )
( x + 2 )( x - 9 )
Tags
CCSS.HSA.SSE.A.2
CCSS.HSA.SSE.B.3
CCSS.HSA.REI.B.4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x2 + 8x - 65
( x - 5 )( x + 13 )
( x - 5 )( x - 13 )
( x + 5 )( x - 13 )
( x + 5 )( x + 13 )
Tags
CCSS.HSA.SSE.A.2
CCSS.HSA.SSE.B.3
CCSS.HSA.REI.B.4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x2 - 13x + 30
( x - 5 )( x - 6 )
( x + 5 )( x - 6 )
( x - 3 )( x - 10 )
( x - 3 )( x + 10 )
Tags
CCSS.HSA.SSE.A.2
CCSS.HSA.SSE.B.3
CCSS.HSA.REI.B.4
CCSS.HSA.APR.B.3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ถ้า x2-3x + 2 = (x-2)(x-a) แล้ว a มีค่าเท่าใด
a=0
a=1
a=2
a=3
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.APR.B.3
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ข้อใดแยกตัวประกอบได้ถูกต้อง
x2+3x+2 = (x+1)(x+2)
x2+x-2 = (x-2)(x+1)
x2-2x-3 = (x-3)(x-1)
x2+2x+1 = (x+1)(x-1)
Tags
CCSS.HSA.APR.B.3
CCSS.HSA.APR.A.1
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