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Mathematics
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8th Grade
•
Hard
Nasly Hurtado
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22 Slides • 8 Questions
1
Meta 25
by Nasly Hurtado
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Funciones y Ecuaciones (Tipo cuadraticas)
Hoy hablaremos de
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Ecuaciones
Ecuacion es una igualdad entre dos expresiones algebraicas, recordemos que las expresiones algebraicas estas compuestas por numeros, letras y operaciones.
Tambien es importante recordar que el sentido de una ecuacion lo da el simbolo igual.
Realicemos la siguiente lectura Cuentas con 5 minutos: https://edu.gcfglobal.org/es/algebra/expresiones-algebraicas/1/
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Observa el tablero
Es momento de observar el tablero para hadcerle jaquemate a las matematicas.
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Ecuaciones de tipo cuadratica
Son aquellas que su mayor exponente es la variable son de tipo
Para poder comprenderlas podemos usar el completar rectangulos o cuadrados, en especial usando su area.
Recordemos que para hallar el area de un rectangulo multiplicamos su base y altura
Observa la siguiente presentacion
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Ahora imagina que no tienes conocimiento sobre cuanto miden algunos de esos cuadros
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Ahora imaginense que aumenta este valor.
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Observa nuevamente el tablero.
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Realicemos 3 momentos de lecturas de 5 minutos
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Multiple Choice
Factorar (factor común): x - x2 + x3 - x4
x.(1-x+x2 + x3 )
x2 .(x - x3+x2)
x. (1 - x + x2 - x3)
1.(x - x + x2+x3)
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Multiple Choice
Factorar : 14x2y2- 28x3+56x4
14x2.( y2 - 2x + 4x2)
14.(xy - 2 x3 + 4x)
x2. (14y2 - 28x + 56 x2 )
x(14xy - 10x + 45x )
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Multiple Choice
factorar : a10 - 49b12
(a5 + 7b6 ) . (a5 - 7b6 )
(a5+ 7b6 ) . (a2 - 7b6 )
(a2 + 7b6 ) . (a5 - 7b3 )
(10a5 + 7b6 ) . (10a5 - 7b6 )
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Multiple Choice
factorar y3 - 1
(a -1 ) . (a2 + 2a + 4 )
(y -1 ) . (y2 + y + 1 )
(y2 -1 ) . (y2 + 2y + 4 )
(y -1 ) . (y2 + 1 + 4 )
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Multiple Choice
Factorar o descomponer x2−4x−96
15 . (x+2- 3)
(x+8)(x-12)
15y.(x+2-3)
15.(x+2x-3)
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Multiple Choice
8m3- 27y6
(2m-3y2)(4m2+6my2+9y4)
(2m-3y2)(4m2-6my2+9y4)
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Multiple Choice
a2+a-ab-b
(a+1) (a- b)
(a+1) (a+b)
a(a+1)- b(a+1)
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Multiple Choice
FACTORIZAR: m² + 3m + 2
(m + 2)(m + 3)
(m + 2)(m + 1)
(m + 3)
(m + 4)(m - 3)
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Ahora imaginense que esto va creciendo o va disminuyendo.
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Gracias
​
Meta 25
by Nasly Hurtado
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