Factorising using identities
Quiz
•
Mathematics
•
7th - 9th Grade
•
Hard
Shilpa Luthra
Used 49+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Factorise : x2 - 9
(x-3)(x-3)
(x-3)(x+3)
(x-3)(3-x)
(x-3)2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
x2 + 2x +1
(x+1)2
(x-1)2
(x+1)(x-1)
none of these
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x2 - 8x +16)
(x+4)2
(x-4)2
(x+4)(x-4)
can not be factorised.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x2 + 15x + 50
(x+3)(x+5)
(x+30)(x+20)
(x+30)(x-20)
(x+5)(x+10)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x2 y2 - 25
(xy + 5) 2
(xy + 5)(xy - 5)
(xy -5)(xy - 5)
can not be factorised
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
m2 + 9x + 14
(m+3)2
(m-3)2
(m+2)(m+7)
(m+4)(m+10)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(m.m - 4m - 77)
(m+4)(m+7)
(m-11)(m+7)
(m+11)(m-7)
(m+11)(m+7)
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