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10 questions
One of the factors of (a 2 - 1 ) is
( a - 1)
( a2 + 1)
Both
None of the above
In ( x2 - 100 ) is equal to ( x + 10 ) and
( x + 10)
( x - 10)
x
10
( 4x2 - 4 ) = ( 2x - 2 ) ( 2x + ___)
Which is an example of difference of two squares?
( x3 - 4)
( x2 - 3)
( x2 + 4)
( x2 - 4)
In ( d2 - 121 ) , the square root of 121 is
11
12
21
none of the above
If the area of your garden is ( d2 _ 16 ) and the length is
( d + 4) , what is the width?
( d+ 2)
( d - 2)
( d + 4)
(d - 4)
What is missing in ( a4 - 25 ) = ( a2 - ____)( a2 + 5 )
5
10
25
a2
Is ( a2 + 4 ) an example of difference of two squares?
Yes
No
a2 - b2 = ( a + b ) ( a - b ) is the pattern in factoring the difference of two squares.
No
Yes
Factor ( 4a2 - 36 )
( a - 6 ) ( a - 6 )
( 2a + 6 ) ( 2a - 6 )
( a + 6 ) ( a + 6 )
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