Completing the Square

What is a perfect square trinomial?

• a trinomial where every number is a perfect square

• a trinomial that has two different factors

• a trinomial that factors as one factor squared

• a trinomial with perfect square solutions

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CCSS.HSA.APR.C.4

Are all trinomials perfect square trinomials?

• yes

• no

What do we call the process of adding in a new 'c' value to a binomial to create a perfect square trinomial?

• adding c

• factoring

• making things up

• completing the square

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CCSS.HSA-REI.B.4B

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CCSS.HSA-REI.B.4B

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CCSS.HSA-REI.B.4B

• factor the left

• add 9

• subtract 9

• divide by 8

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CCSS.HSA-REI.B.4B

• use square roots

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CCSS.HSA-REI.B.4B

• 4

• 8

• 12

• 16

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CCSS.HSA-REI.B.4B

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CCSS.HSA-REI.B.4B

• subtract 16

• subtract 25

• factor the left hand side of the equation

• take square roots

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CCSS.HSA-REI.B.4B