1 definition of monomials: problems standard 10 definition of polynomials: problems polynomials...
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Definition of Monomials: Problems
STANDARD 10
Definition of Polynomials: Problems
POLYNOMIALS
Standard Form of a Polynomial: Problems
Adding Polynomials: Vertical and Horizontal Formats, problems
Adding Polynomials when a term is missing: Problems
Subtracting Polynomials: Vertical Format, problems
Subtracting Polynomials: Horizontal Format, problems
Adding Polynomials with more than one variable, problems
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STANDARD 10:
Students add, subtract, multiply, and divide monomials and polynomials. Students solve multi-step problems, including word problems, by using these techniques.
ESTÁNDAR 10:
Los estudiantes suman restan, multiplican, y dividen monomios y polinomios. Los estudiantes resuelven problemas de múltiples pasos, incluyendo problemas escritos, usando estas técnicas.
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STANDARD 10
MONOMIALS:
9 4x 3pq3 14
xy
These are examples of monomials:
A monomial is a number, a variable, or the product of a number and one or more variables with whole number exponents.
The degree of a monomial is the sum of the exponents of the variables in the monomial.
Find the degree of the following monomials:
x 6
r t4 6
x y z3 5 4
x yz2 2
20
6
4 + 6 = 10
3 + 5 +4 = 12
= 20x00
x y z2 21= 2 + 1 + 2 = 5
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STANDARD 10
POLYNOMIALS:
A polynomial is a monomial or a sum of monomials.
The degree of a polynomial in one variable is the largest exponent of that variable.
Polynomials are also identified by number of terms.
POLYNOMIAL DEGREE IDENTIFIED BY DEGREE
IDENTIFIED BY NUMBER OF TERMS
5 0 constant monomial
16y +31 linear binomial
x - 3x + 92 2 quadratic trinomial
4z – 9z - 223 3 cubic trinomial
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STANDARD 10
POLYNOMIALS:
Polynomials are most commonly written in STANDARD FORM, that is in decreasing order, from largest exponent to smallest exponent.
Write the following polynomials in STANDARD FORM:
-3x + x - 22 -3x + x - 221 x0 x -3x -22
3x – x + 4x + 1 - x2 3 4 -x - x + 3x + 4x - 14 3 2 1
-x - x + 3x + 4x - 14 3 2
6x + 2x -x + 253 2 x40 x102x + + 6x – x + + 25 3 2 x0
2x + 6x – x + 25 3 2
8x + 5x + 3x -x + 76 3 4 8x + + 3x + 5x + - x + 76 4 3x50 x20 1
8x + 3x + 5x - x + 76 4 3
x0
x0
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STANDARD 10
ADDING POLYNOMIALS:
VERTICAL FORMAT:
Find the sums of the following polynomial:
(4x + 5x -3) + (3x -x + 10)2 2
24x + 5x - 323x - x + 101
+ 7+ 4x7x 2
HORIZONTAL FORMAT:
24x + 5x - 3 + 23x - x + 10 = 4x + 3x + 5x -1x -3 +102 2
= 7x + 4x + 72
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STANDARD 10
ADDING POLYNOMIALS:
VERTICAL FORMAT:
Find the sums of the following polynomial:
(5x + 2x -4) + (4x +7x + 12)
2 2
25x + 2x - 424x + 7x + 12
+ 8+ 9x9x 2
HORIZONTAL FORMAT:
25x + 2x - 4 + 24x +7x + 12 = 5x + 4x + 2x +7x -4 +122 2
= 9x + 9x + 82
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STANDARD 10
ADDING POLYNOMIALS:
Find the sums of the following polynomials using VERTICAL FORMAT:
(3x - 5) + (9x + 2x + 11)
2 2
29x + 2x +11
3x + 0x - 52
+ 6+ 2x12x 2
(4x + 7x + x + 3) + ( 2x - x + 4 – 3x )4 3 2 3 4
4x + 7x + 1x + 0x + 34 3 2
-3x + 2x + 0x - 1x + 44 3 2
+ 7- x+ x2+ 9x3 x4
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STANDARD 10
ADDING POLYNOMIALS:
Find the sums of the following polynomials using HORIZONTAL FORMAT:
(3x - 5) + (9x + 2x + 11)
2 2
29x + 2x +113x - 52
(4x + 7x + x + 3) + ( 2x - x + 4 – 3x )4 3 2 3 4
4x + 7x + x + 34 3 2 -3x + 2x -x + 44 3
+ = 3x + 9x + 2x – 5 + 11 2 2
+ 6+ 2x12x 2=
+
+ 7- x+ x2+ 9x3 x4=
= 4x – 3x +7x +2x + x -x + 3 + 444 3 3 2
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STANDARD 10
SUBTRACTING POLYNOMIALS:
Find the difference of the following polynomials using VERTICAL FORMAT:
(6x - 2) - (8x + 4x + 14)2 2
28x + 4x +14
6x + 0x - 22
-16- 4x-2x 2
(9x + 5x + 2x + 5) - ( 4x - 2x + 7 – 6x )4 3 2 3 4
9x + 5x + 2x + 0x + 54 3 2
-6x + 4x + 0x - 2x + 74 3 2
- 2+2x+ 2x2 + x3 15x 4
-
2-8x - 4x -14
6x + 0x - 22-
9x + 5x + 2x + 0x + 54 3 2
6x - 4x - 0x + 2x - 74 3 2
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STANDARD 10
SUBTRACTING POLYNOMIALS:
Find the differences of the following polynomials using HORIZONTAL FORMAT:
(4x - 5) - (8x + 3x + 10)2 2
28x + 3x +104x - 52
(5x + 6x + x + 4) - ( 3x - x + 5 – 2x )4 3 2 3 4
5x + 6x + x + 44 3 2 -2x + 3x -x + 54 3
= 4x - 8x - 3x – 5 - 10 2 2
- 15- 3x-4x 2=
- 1+ x+ x2+ 3x3 7x4=
= 5x + 2x + 6x - 3x + x + x + 4 - 544 3 3 2
- 28x - 3x -104x - 52= -
- 5x + 6x + x + 44 3 2 +2x - 3x + x - 54 3=
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It is possible to add or subtract terms of a polynomial only if they are LIKE TERMS:
Simplify 5xy + 6z x -9xy + 10z x – 15z5 5 3
5xy + 6z x -9xy + 10z x – 15z5 5 3
Simplify -8a b c + 7b c - 3b c + a b c3 5 3 53 52 5
-8a b c + 7b c - 3b c + a b c3 5 3 53 52 5 = -8a b c + a b c + 7b c – 3b c3 5 3 5 3 52 5
= -7a b c + 7b c -3b c3 5 3 52 5
= -7a b c - 3b c +7b c3 5 2 53 5
= 5xy – 9xy + 6z x + 10z x -15z5 5 3
= -4xy +16z x – 15z5 3
STANDARD 10
ADDING POLYNOMIALS:
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