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Similar to Completing the square v002 (20)
Completing the square v002
- 2. You were asked to
complete the
square of this
quadratic
equation:
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- 3. So we put the
equation into our
table.
1
2
3
4
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- 4. Highlight the part
of the equation
that contain
x2 and x only.
1
2
3
Do not highlight
the constant.
4
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- 8. Rewrite 6x as
(2)(3) x.
1
2
3
4
We need to do this to apply the formula :
a b
2
a
2
2ab b
2
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- 9. Rewrite 6x as
(2)(3) x.
1
2
3
4
We need to do this to apply the formula :
a b
2
a
2
2ab b
2
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a=x
b=3
9
- 10. 1
Add 32 to p.
2
Call this
expression : q
3
4
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- 11. 1
Add 32 to p.
2
Call this
expression : q
3
4
a b
2
a
2
2ab b
2
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a=x
b=3
11
- 12. 1
Add 32 to p.
2
Call this
expression : q
3
4
a b
2
a
2
2ab b
2
a=x
b=3
Now we can apply the above formula.
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- 14. a b
4
2
a2
2ab b 2
a=x
b=3
5
There! We applied
the formula.
6
7
8
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