Expresiones Algebraicas


Expresiones Algebraicas.
Ejercicio
Signo
C.Numerico
F.Literal
Grado
-5.9a2 b3c
-
5.9
a2b3c
2+3+1=6

- 2 k5

-



h4k5

4+5=9abc
+
1
abc
1+1+1=3



+



Xy2

1+2=3

Exp. Alg
Grado Exp
Num Términos
2x-5y3
3
2 =Binomio



5

1 = Monomio

a-b+c-2b

1

4 = Polinomio

m2+mn+n2

2

3 = TrinomioX+y2Ƶ3 –x2y 23

6

4 = Polinomio




Pag 2. 5x2y-8xy2- 9y3
5(2)2(-1)-8(2)(-1)2-9(-1)3
5(4)(-1) -16 (1)-9(-1)
-20 -16 +9 = -27
Ejercicios 1:
1. 5a2 -2bc -3d
5(2)2 -2(5)(-3) -3 (-1)
20-10(-3)+3
20+30+3 = 53

2. 4ab-3bc-15d
4(2)(5)-3(5)(-3)-15(-1)40 +45+15 = 100


3. 6a3f = 6(2)3.(0) = 6(8).(0) = 48.0 = 0

4. 2a2-b3-c3-d5 = 2(2)2-(5)3-(-3)3-(-1)5
= 8-125-(-27)-(-1)
= 8-125+27+1 = -89



5.3(a-b)+2(c-d)
3(2-5)+2(-3-(-1))
3(-3)+2(-3+1)
-9+2(-2)
-9-4 = -13


6. + +
- + -
- 1 +1- 1 =-1


7. (b+c)2 = (5+(-3))2 = (2)2 = 4Ejercicios 2:
1. 8x -6x+3x-5x+4-x = -11x
-11x 4x


2. 4,5a -7b- 1,4b+ 0,6a+5,3b+b
5,1a-8,4b+6,3b
5.1a-2,1b


3. m2-2mn+ m2- mn+2mn-2m2
m2- mn
+ - = =


4. x2y +31+ xy2 - y3 - x2y - xy2 + y3-6
- = = xy2 - y3+25
+ = =




Ejercicios 3:
1. -4 – (x-y) -5 + (x+3y) -2 - x-3y + 5- -x+y -1+2...