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Published byJocelyn Holt Modified over 6 years ago
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Polynomials: Add, Subtract, Multiply, Divide, Factor, and Name them.
Study for your test!!!!
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Perimeter mean… Add all sides… C.L.T. add the x’s 4x + 7x + x = 12x The only number is + 3 Perimeter = 12x + 3
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Distributive property:
5a7 • 4a7 = 20a14 5a7 • (–5b3) = – 25a7b3 Put them together: 20a14 – 25a7b3
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the area of the small one.
Area of the big square minus the area of the small one. Area = length • width (x – 2)(x – 2) – (2x)(2x) x2 – 4x – 4x2 CLT – 3x2 – 4x + 4
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Degree means… 5 + 4 = 9th degree 8 + 4 = 12th degree
add the powers within each term. 5 + 4 = 9th degree 8 + 4 = 12th degree
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First Outer Inner Last 6x – 9x – 8x CLT – 17x 6x2 – 17x
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First Outer Inner Last 15x – 20x x – 12 CLT – 11x 15x2 – 11x – 12
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16p2 – 36 First Outer Inner Last 16p2 + 24p – 24p – 36 CLT
ZERO “p” in the middle 16p2 – 36
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49p2 – 1 First Outer Inner Last 49p2 + 7p – 7p – 1 CLT
ZERO “p” in the middle 49p2 – 1
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SIX multiplications in all…
4k • 2k2 = 8k3 4k • ( – 5k) = – 20k2 4k • ( – 2) = – 8k 5 • 2k2 = 10k2 5 • ( – 5k ) = – 25k 5 • ( – 2 ) = – 10 Combine like terms… 8k3 – 10k2 – 33k – 10
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Distribute the minus… – 3w2 – 4w + 7 5w2 – 8w – 8 CLT 2w2 – 12w – 1
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Distribute the minus… – 8w2 – 3w + 6 2w2 – 4w – 7 CLT –6w2 – 7w – 1
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Notice that the terms are listed with the highest power first!
Remove the parenthesis… NOTHING changes! 5u3 + 5u u3 – 2u + 5 CLT 8u3 + 5u2 – 2u + 12 Notice that the terms are listed with the highest power first!
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24 and 21 can be divided by… 3 w10 and w6 can be divided by… the smallest power… w 6 24w w 6 3w w 6 3w 6 ( ) 8w 4 7
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42 and 12 can be divided by… 6 w12 and w7 can be divided by… the smallest power… w 7 42w w 7 6w w 7 6w 7 ( ) 7w 5 2
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Remove the parenthesis…
NOTHING changes! 4u3 + 3u u3 – 7u + 8 CLT 7u3 + 3u2 – 7u + 12
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“cubic trinomial” The highest degree is… “third degree” or “cubic”
It has three terms… “trinomial” “cubic trinomial”
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distribute the minus sign…
Area of the big rectangle… minus the area of the small one. Area = length • width (2x – 4)(5x – 6) – (x + 4)(x – 1) ( 10x2 – 32x + 24 ) – ( x2 + 3x – 4 ) distribute the minus sign… – x2 – 3x + 4 CLT 9x2 – 35x + 28 Draw it out!!! 2x – 4 5x – 6 x + 4 x – 1 pool 10x2 – 32x + 24
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Re-write as two parenthesis:
( 3x – 7 ) ( 3x – 7 ) First Outer Inner Last 9x – 21x – 21x CLT – 42x 9x2 – 42x
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The highest degree/power is…
“fourth degree” It has three terms… “trinomial” “fourth degree trinomial”
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distribute the minus sign…
Area of the big rectangle… minus the area of the small one. Area = length • width (3x + 2)(2x – 3) – (x + 2)(x – 5) ( 6x2 – 5x – 6 ) – ( x2 – 3x – 10 ) distribute the minus sign… – x x CLT 5x2 – 2x + 4 6x2 – 5x – 6
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STUDY!!! DO YOUR BEST!
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