“grudge ball” factoring review january 5, 2015. warm-up (monday) what is a trinomial? what does...
TRANSCRIPT
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“Grudge Ball”Factoring Review
January 5, 2015
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Warm-Up (Monday)
• What is a trinomial?• What does a trinomial look like in factored
form?
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Essential Question
• How well do I remember the steps involved in factoring trinomials?
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Remember Factoring???
Always look for a GCF first!1. Identify the product and sum.2. Find a factor pair that multiplies to the
product and adds to the sum.3. Build 2 fractions.4. Simplify the fractions.5. Fix your binomials with simplified f’s and a’s.
• (ax + f1)(ax + f2)
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Activity – “Grudge Ball”
• Teams of 4 – Every member needs a board.• Number each player 1 – 4.• Come up with a team name and write it on
the board with 10 x’s underneath.
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Rules
• Erase 2 x’s from anywhere on the board with each correct answer.
• Erase more by making a basket from the 2 or 3 point lines.
• If you run out of x’s you can gain them back with a correct answer rather than taking from other teams.
• The winner is the team with the last x (or the most if we run out of time).
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Let’s Play!
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Factor: x2 – 15x + 36
• (x – 12)(x – 3)
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Factor: x2 – x – 2
• (x + 1)(x – 2)
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Factor: x2 – 121
• (x + 11)(x – 11)
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Factor: x2 – 12x + 11
• (x – 1)(x – 11)
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Factor: x2 + 2x – 99
• (x – 9)(x + 11)
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Factor: x2 – 5x
• x(x – 5)
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Factor: x2 – 7x – 18
• (x + 2)(x – 9)
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Factor: x2 – 11x + 18
• (x – 2)(x – 9)
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Factor: x2 – 36
• (x – 6)(x + 6)
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Factor: x2 – 15x + 44
• (x – 11)(x – 4)
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Factor: x2 – 10x + 16
• (x – 2)(x – 8)
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Factor: x2 + 11x – 12
• (x + 12)(x – 1)
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Factor: x2 – 15x + 54
• (x – 9)(x – 6)
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Factor: x2 – x
• x(x – 1)
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Factor: x2 + 8x
• x(x + 8)
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Factor: x2 – 8x + 15
• (x – 5)(x – 3)
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Factor: x2 + 5x – 14
• (x + 7)(x – 2)
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Factor: x2 – 9x + 20
• (x – 4)(x – 5)
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Factor: x2 + 13x + 40
• (x + 5)(x + 8)
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Factor: x2 + x – 30
• (x + 6)(x – 5)
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Factor: 3x2 + 18x – 21
• 3(x – 1)(x + 7)
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Factor: 12x2 – 18x + 6
• 6(x – 1)(2x – 1)
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Factor: 7x2 + 23x + 6
• (7x + 2)(x + 3)
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Factor: 16x2 + 44x + 10
• 2(2x + 5)(4x + 1)
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Factor: 14x2 + 16x + 2
• 2(7x + 1)(x + 1)
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Do we need more questions?
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Reflection
• Do I feel like I am ready to continue with factoring tomorrow?