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quiz chp 4.3

Total questions: 10

Worksheet time: 20mins

Name
Class
Date
1.

factorize this completely

 a2+12a+36a^2+12a+36  

a)

 a+6a+6  

b)

 (a+6)2\left(a+6\right)^2  

c)

 (a−6)2\left(a-6\right)^2  

d)

it is not perfect square

2.

factorize this completely

 25b2−20b+425b^2-20b+4  

a)

 (5b+2)2\left(5b+2\right)^2  

b)

 (5b−2)2\left(5b-2\right)^2  

c)

 5b−225b-2^2  

d)

 5b2−425b^2-4^2  

3.

factorize this completely

 3x2−36x +1083x^2-36x\ +108  

a)

 3(x−6)23\left(x-6\right)^2  

b)

not a perfect square

c)

 3(x2−36x+108)3\left(x^2-36x+108\right)  

d)

 3(x+6)23\left(x+6\right)^2  

4.

factorize this completely

 e2f2−10ef+25e^2f^2-10ef+25  

a)

 (ef−5)2\left(ef-5\right)^2 

b)

 (ef2−5)2\left(ef^2-5\right)^2  

c)

 (ef2+5)2\left(ef^2+5\right)^2  

d)

not a perfect square

5.

factorize this completely

 f4+8f2g+16g2f^4+8f^2g+16g^2  

a)

 f2+4g2f^2+4g^2  

b)

 ((f2+g)2)\left(\left(f^2+g\right)^2\right)  

c)

 (f2+4g)2\left(f^2+4g\right)^2  

d)

 not a perfect squarenot\ a\ perfect\ square  

6.

factorize this completely

 425x2−25x+14\frac{4}{25}x^2-\frac{2}{5}x+\frac{1}{4}  

a)

 (25x−12)2\left(\frac{2}{5}x^{ }-\frac{1}{2}\right)^2  

b)

 (25x2−14)\left(\frac{2}{5}x^2-\frac{1}{4}\right)  

c)

 (15x2+14)\left(\frac{1}{5}x^2+\frac{1}{4}\right)  

d)

 (15x−12)2\left(\frac{1}{5}x^{ }-\frac{1}{2}\right)^2  

7.

factorize this completely

 (19p2−29p+19)\left(\frac{1}{9}p^2-\frac{2}{9}p+\frac{1}{9}\right)  

a)

 (13p−13)2\left(\frac{1}{3}p-\frac{1}{3}\right)^2  

b)

 19(p−1)\frac{1}{9}\left(p-1\right)  

c)

 19(p−1)2\frac{1}{9}\left(p-1\right)^2  

d)

 19(p2−2p)+19p\frac{1}{9}\left(p^2-2p\right)+\frac{1}{9}p  

8.

factorize this completely

 a2−4c2a^2-4c^2  

a)

 (a+2c)(a−2c)\left(a+2c\right)\left(a-2c\right)  

b)

 (a−2c)2\left(a-2c\right)^2  

c)

 (a+2c)2\left(a+2c\right)^2  

d)

 (a2−4c2)(a2−4c2)\left(a^2-4c^2\right)\left(a^2-4c^2\right)  

9.

factorize this completely

 4x2−25y24x^2-25y^2  

a)

 (2x−5y)2\left(2x-5y\right)^2  

b)

 (2x−5y)(2x−5y)\left(2x-5y\right)\left(2x-5y\right)  

c)

 (2x)2−(5y)2\left(2x\right)^2-\left(5y\right)^2  

d)

 (2x+5y)(2x−5y)\left(2x+5y\right)\left(2x-5y\right)  

10.

count:

 932−4993^2-49  



(a)