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Quiz 3
Solution
Q.1.
X5 + x4 + x2
x3(x2 + x + 1)
x(x4 + x3 + x)
x2(x3 + x2)
x2(x3 + x2 + 1)
Q.2.
Factor Completely:5x2 - 10x
(x - 2)(x - 10)
5(x2 - 2x)
5x(x - 2)
Q.3.
Factor: 8x3 - 1
(2x - 1)(4x2 + 2x + 1)
(2x + 1)(4x2 - 2x + 1)
(2x - 1)(4x2 - 2x - 1)
(2x + 1)(4x2 +2x + 1)
Q.4.
If f(x) = 3x2 --find the value of f(using synthetic division.
0
10
15
-7
Q.5.
Fully Factor the Following25x2-81
(5x-9)2
(5x+9)(5x-9)
25(x-9)2
(9x+5)(9x-5)
Q.6.
Factor the Polynomial:121r2 - 64t2
(11r + 8t)(11r - 8t)
(12r - 8t)(12r + 8t)
(11r + 9t)(11r + 9t)
prime
Q.7.
Factor:4p2 + 16p
p(p - 16)
4p(p - 4)
p2(p+ 16)
4p(p + 4)
Q.8.
What is the command to move to the previous directory?
cd
cd.
cd..
cd\
Q.9.
What is the command to copy a file?
copy
cd..
cd.
cd\
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