Combine Like Terms 1) 3x – 6 + 2x – 8 2) 3x – 7 + 12x + 10 Exponent Rules 3) What is 2x 3x?...
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Transcript of Combine Like Terms 1) 3x – 6 + 2x – 8 2) 3x – 7 + 12x + 10 Exponent Rules 3) What is 2x 3x?...
![Page 1: Combine Like Terms 1) 3x – 6 + 2x – 8 2) 3x – 7 + 12x + 10 Exponent Rules 3) What is 2x 3x? 5x – 14 15x + 3 6x 2 Warm up #1.](https://reader036.fdocuments.net/reader036/viewer/2022062320/56649f515503460f94c74651/html5/thumbnails/1.jpg)
Combine Like Terms
1) 3x – 6 + 2x – 8
2) 3x – 7 + 12x + 10
Exponent Rules
3) What is 2x 3x?
5x – 14
15x + 3
6x2
Warm up #1
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Unit 1Unit 1Relationships Relationships
Between Between Quantities & Quantities & ExpressionsExpressions
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VOCABULARYVOCABULARY
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Degree
The exponent for a variable
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Degree of the Polynomial
Highest (largest) exponent of the polynomial
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Standard Form
Terms are placed in descending order by the DEGREE
Write all answers in Standard Form!
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Leading Coefficient
Once in standard form, it’s the 1st NUMBER in front of the variable (line leader)
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# of Terms
Name by # of Terms
1 Monomial
2 Binomial
3 Trinomial
4+ Polynomial
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Degree(largest
exponent)
Name by degree
0 Constant
1 Linear
2 Quadratic
3 Cubic
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2 9y Special Names:
LinearBinomi
al
Degree Name:
# of Terms Name:
Leading Coefficient: -2
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334xSpecial Names:
Cubic
Monomial
Degree Name:
# of Terms Name:
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24 6x xSpecial Names:
Quadratic Binomi
al
Degree Name:
# of Terms Name:
Leading Coefficient: 4
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3 27 2y y y Special Names:
CubicTrinomial
Degree Name:
# of Terms Name:
Leading Coefficient: 1
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Adding Polynomial
s
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2 22 4 3 5 1x x x x
1.
3x2 + x + 2
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26 2 8x x 2.
x2 + 2x – 2
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Subtracting
Polynomials
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When SUBTRACTING polynomials
Distribute the NEGATIVE
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2 23 10 8a a a a
3a2 + 10a – 8a2 + a
– 5a2 + 11a
3.
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2 23 2 4 2 1x x x x
3x2 + 2x – 4 – 2x2 – x + 1
x2 + x – 3
4.
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Classwork
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HomeworkHomework#1 - #10#1 - #10
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Warm – Up #2
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Warm – Up #3
Andy and Sam are saving money to go on their senior trip.
The amount of money that Andy will have at the end of each week, w, can be expressed at A(w) = 20w + 300. The amount of money that Sam will have at the end of each week, w, can be expressed at S(w) = 15w + 400.
They have decided to combine their savings accounts. Write a function that expresses the total amount, T(w) they have in their savings account at the end of each week.
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Multiplying
Polynomials
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-2x(x2 – 4x + 2)
3 22 8 4x x x
5.
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(x + 3) (x – 3)
2 9x
6.
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(3x – 1)(2x – 4)
26 14 4 x x
7.
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8. Find the area of the rectangle.
228 96 80 x x
7 10x
4 8x
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9. Find the volume.
3 29 18 x x x
3x
6x
x
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Warm – Up #4