Vertex Form And Completing The Square Page 4
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46.2 Vertex form and completing the square
It is not too hard to convert from vertex form to standard form. However, it turns out to be a
lot more challenging to convert from standard form into vertex form. The next few problems
help prepare you to understand this procedure.
6. Fill in the blanks in the following expressions. You may need to turn some of the signs
in front of the blank spots from + to – or – to + to make everything work out.
2
2
2
2
x
3
___
x
___
x
____
x
5
___
x
___
x
____
2
2
2
2
9
x
___
x
6
x
9
x
___
x
3
x
4
2
2
2
2
x
___
x
2
x
____
x
___
x
5
x
____
2
2
2
2
x z
x
____
x
____
x
2
qx
____
x
___
2
2
2
2
1
2
x
x
____
x
____
x
x
____
x
____
2
3
2
2
2
2
x
7.2
x
____
x
____
x
98
x
____
x
____
2
2
2
1
9
x
9
x
____
x
____
____
x
____
x
____
3
2
2
2
5
x
10
x
5 ____
x
2
x
____
____
x
____
Algebra II 2011-2012
Dr. Butler – Lakeside School
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