Guia 4.b

  • May 2020
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Guía 4.b. 1°medio Unidad “Factores y Producto” Tema: CUADRADO

DE UN BINOMIO

1. Completa la siguiente tabla:

a 2 6 2 4

b 3 4 5 2

a+b

(a + b)²



2·a·b



a² + b²

a² + 2ab + b²



2·a·b



a² + b²

a² - 2ab + b²

2. Construye ahora la siguiente tabla: a 5 4 2 1

b 2 1 4 3

a-b

(a - b)²

3. Grafica los siguientes cuadrados de binomios:

5. Determina el área del cuadrado cuyo lado mide:

1. (x + 5)² a) x + 12 2. (x - 7)² b) 2x - 1 3. (a + 1)² c) 0,3x + 2 4. (m + 21)² 5. (x - 2)² 6.(x - 18)²

d)

2 x+ y 5

e) (0,2x - 3)²

7. (p + 5q)² 8. (x - 3y)² 9. (2x + 6)²

f) (5a - 0,3)² g) (

3 x - 5)² 4

10. (3x - 5)² 11. (6x - 8y)²

3  2 h)  a − b  4  3

2

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