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Math 9 Chapter 5 Factorization-6
1.
Factorization of x
3
+64 is (x+4) (x
2
+4x+16)
a) True
b) False
2.
x
4
+x
2
+1 can also be written as (x
2
-x+1) (x
2
+x+1)
a) False
b) True
3.
If D(x) = x-a then P(x) = (x-a) Qx+Rx as a remainder that is called remainder theorem.
a) False
b) True
4.
HCF is affected by multiplying or dividing the polynomials with any number during the process of finding HCF.
a) False
b) True
5.
By highest common factor two or more than two polynomials, we mean, a highest polynomial that divides completely these polynomials.
a) False
b) True
6.
If H+L =A+B then H3+L3 = A
3
+B
3
where �H� & �L� is stands for HCF and LCM respectively and A,B represents two polynomials.
a) False
b) True
7.
LCM of two or more than two polynomials is a highest degree polynomial which divides completely these polynomials.
a) False
b) True
8.
The relation between LCM and HCF which are represented by �L� and �H� respectively is written by AxB = HxL where �A� & �B� are two algebraic expressions.
a) False
b) True
9.
LCM fo 15x
2
, 45xy and 30 zyx is 80x
2
yz.
a) False
b) True
10.
Factorization of x
2
-7x+12 is?
a) (x-5)(x-20)
b) (x-2)(x-15)
c) (x-3)(x-10)
d) (x-3)(x-4)
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