
EXPRESIONES ALGEBRAICAS 5º
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•
Mathematics
•
5th Grade
•
Hard
Roxana Melissa Piundo Gonzales
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5 Slides • 10 Questions
1
Operaciones de Expresiones Algebraicas
Doc. Roxana Melissa Piundo Gonzales
2
Se pueden sumar o restar solo términos semejantes (los que tienen la misma parte literal).
Ejemplo:
1. Suma y resta de expresiones algebraicas
3x2+5x−7+4x2−2x+9=
(3x2 +4x2 )+(5x−2x)+(−7+9) =
7𝑥2 + 3 𝑥 + 2 =
7x2 +3x+2
3
Se aplica la propiedad distributiva.
Ejemplo:
2. Multiplicación de expresiones algebraicas
(x+3)(x−2)=
x(x−2)+3(x−2)=
x2 −2x+3x−6 =
𝑥2 + 𝑥 − 6 =
x2 +x−6
4
Se dividen los coeficientes y se restan los exponentes de las letras semejantes.
Ejemplo:
3. División de expresiones algebraicas
5
Al elevar una potencia, se multiplican los exponentes.
Ejemplo:
4. Potenciación de expresiones algebraicas
Si hay un binomio:
6
Multiple Choice
1. Suma:
(3x2 + 2x + 1) + (5x2 − 4x + 7)
A) 8x2 − 2x + 8
B) 8x2 + 6x + 6
C) 2x2 − 2x − 6
NA
7
Multiple Choice
2. Resta:
(7x3 − 4x + 9) − (2x3 + 5x − 3)
9x3 − 9x + 12
5x3 − 9x + 12
5x3 + x − 6
NA
8
Multiple Choice
3. Multiplicación
(x+2) (x−5)
x2 − 3x − 10
x2 − 7x + 10
x2 + 7x + 10
NA
9
Multiple Choice
4. Multiplicación
(2x − 3)(x + 4)
2x2 − 5x + 12
2x2 + 7x + 12
2x2 + 5x − 12
NA
10
Multiple Choice
5. División
18x5y3
6x2y
12x3y4
18x7y2
3x3y2
NA
11
Multiple Choice
6. División
25a6b4
5a2b2
5a4b2
20a8b6
30a4b3
NA
12
Multiple Choice
7. Potenciación
(x2y3)3
x9y3
x5y6
x6y9
NA
13
Multiple Choice
8. Potenciación
(2x − 1)2
2x2 − 1
4x2 − 4x + 1
4x2 − 2x + 1
NA
14
Multiple Choice
RESUELVE:
(3x2 − 2x + 4) + (x2 + 5x − 1)
4x2 + 3x + 3
2x2 + 7x + 5
3x2 + 7x − 5
NA
15
Multiple Choice
RESUELVE:
(x4y3) (2x2y)
2x3y2
x3y3
x3y2
x3y7
NA
Operaciones de Expresiones Algebraicas
Doc. Roxana Melissa Piundo Gonzales
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