Matematicas

COLEGIO MILITRIZADO MADRID

JOSE LUIS CASTELLANOS DIAZ

MATEMATICAS

MAESTRO: LUIS DANIEL HUERTA CALIXTOMARZO

GRUPO 401

Guía de matemáticas del mes de marzo
1. 9 f7g5 / 3 f3g = (9/3) (f7/f3) (g5/g) = 3 f4g42. 42 x4y2z / -7 x2y2z4= (42/-7) (x4/x2) (z/z4) = -7x2/z8
3. -14 x7y5z2w2 / -7 x3yz3w2 = (-14 / -7) (x7/x3)(y5/y) (z2/z3) (w2/w2) = 2 x4y4 / z
4. -12 f2 + 6 f g – 15 f2g2 / 3 f = (-12/ 3) (f2 / f) (1/g) (6/3) (f/f)(1/g) (-15/3) (f2/f) (1/g2)= -4 f g + 2 g – 5 f g
5. (c3 + 27) ÷ (c +3)= c3 + 27 / c + 3= c3+9
6.X4-2x3+5x-1÷ (x-2) = c=2 p(2)= (2)4-2 (2)3+5 (2)-1
P (2)=16-16+10-1 p (2) = 9
7. X4+x2-20x÷ (x+2)= x+2=0 x=0-2= -2P (-2)= x4+x2-20x p(-2)= (-2)4+(-2)2-20 (-2) p(-2)=16-4+40 p(-2)= 52
8. (4b3-5b2+3b-2) ÷b+2 = b+2=0 b=0-2=-2 b=-2
p(-2)= 4(-2)3- 5(-2)2+3(-2)-2 p(-2)= -8+20-6-2= 4
p(-2)= 4
9. X4-81÷(x+3)= x+3=0 x=0-3=-3 x=-3
p(-3)= x4-81 p(-3)=(-3)4-81=81-81=0 p(-3)=0
10. 2a4 + 3a3 -a2+ 5a-1÷( a-2)=a+2= 0 a= 0-2= -2 a= -2
P(-2)= 2a4+3a3-a2+5a-1
P(-2)= 2(-2)4+3(-2)3-(-2)2+5(-2)-1=
P(-2)=256-216-4-10-1=25