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CLASE 32

CLASE 32. EXPRESIONES ALGEBRAICAS. 1. 1. a. a. h 2. h 1. 2. 2. 7 cm 2. A 2. A 1. =. h 1. h 2. a. 7 cm 2. =. ;. ;. a > 0. h 1 > 0. h 2 > 0. 3. x. –1. 4. +2. P ( ). 0. =. 1. 2. 3. =. x. 2. 0,976. P( x ). =. Dom P = . P( 1 ) = 5. P(– 1 ). P( 0,1 ).

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CLASE 32

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  1. CLASE 32 EXPRESIONES ALGEBRAICAS

  2. 1 1 a a h2 h1 2 2 7 cm2 A2 A1 = h1 h2 a 7 cm2 = ; ; a > 0 h1> 0 h2> 0

  3. 3 x –1 4 +2 P() 0 = 1 2 3 = x 2 0,976 P(x) = Dom P =  P(1)= 5 P(–1) P(0,1) =

  4. a S(a; b) ab = b 5 1 a = 6 y b=     2 2 2 2 3 S= • El valor numérico de S para: a = 5 y b= 1 a) S(5;1) 0 = 1 = 5  b) 0 • (Marcar la respuesta correcta)

  5. S(a; 1) = S(a; –1) = a y b= 1 c) d) a y b= –1

  6. 2 x B = –2xy +1  2 4– a Expresiones algebraicas 2 (x – 2y) A = b + 2 4 = = C D b b – 2 Dom A =  Dom B =  Dom C = {b | } b 0 y b  2 Dom D = {a | } –2  a  2

  7. 1 2  3 Halla: a) S = 2 A – B + 6xy b) El valor numérico de S para b = y para b =

  8. 2 x B = –2xy +1 2 2 2 x x +2xy –2xy (x – 2y) –1 +1 2 2 2 2 2 x 2 + 8xy x x – 8xy – 4xy + 4y + 8y –1 2 (x – 2y) A = S = 2 A – B + 6xy ( ) S = 2 + 6xy ( ) = 2 + 6xy = 2 2 = x + 8y –1

  9. LIBRO DE DISTRIBUCIÓN GRATUITA. PROHIBIDA SU VENTA Estudiar del Capítulo 1 Epígrafe 3 Definición 1 Ejemplos 1, 2 y 3 Ejercicios 1 a, b y c 3 a y c

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