

6.5 -- Completing the square
Presentation
•
Mathematics
•
9th - 12th Grade
•
Hard
Keegan Kuhlman
Used 8+ times
FREE Resource
8 Slides • 1 Question
1
6.5 -- Completing the square

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Steps:
1. Move c to the other side of the equal sign
2. Add
(2b)2 to both sides of the equation3. Factor the left side of the equation
3
Vertex form of a quadratic:
(-h,k) is the vertex of the equation
h is ALWAYS OPPOSITE
After we complete the square, we can set the equation = to zero to get it in vertex form
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5
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Fill in the Blanks
Find the vertex by completing the square. Write your answer as an ordered pair with no spaces
Type answer...
7
Remember Factoring? Good times...
x2−8x+12
Find 2 numbers that multiply to be 16 and add to be -8
(x−6)(x−2)
Set both factors = to zero and solve for the roots
(x−6)=0; x=6 (x−2)=0; x=2
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Students: UGH Mrs. Kuhlman this is really difficult
Mrs. Kuhlman: Have you tried graphing it with Desmos?
6.5 -- Completing the square

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