COLGIO PEDRO II - CAMPUS SO CRISTVO III

1 SRIE MATEMTICA I PROF. WALTER TADEU

www.professorwaltertadeu.mat.br

Inequaes do 1 Grau 2013 1. Resolva as inequaes U = Ra) 8x 10 > 2x + 8 b) 2(3x +7) < 4x + 8 c) 20 (2x +5) 11 + 8x

2. Resolva as inequaes U = N

a) 2x + 5< 3x +40 b) 6(x 5) 2(4x +2)> 100 c) 7x 9 < 2x + 16

3. Resolva as inequaes U = Za) 2x + 5 3x +40 b) 6(x 5) 2(4x +2) 80 c) 20 (7x + 4) < 30

4. Resolva as inequaes em R:

a)

b)

c)

d)

e)

f)

g)

h)

i)

5. (UFRS) Se 1< 2x + 3 3}; b) S = {x(R / x < - 3/5}; c) S = { x ( R / x 2/5}; 2) a) S = {0, 1, 2, 3, 4, 5, 6}; b) S = ; c) S = {0,1, 2, 3, 4}; 3) a) S = {7, 8, 9, 10,...}; b) S = {...,-59, -58, -57}; c) S = {-1, 0, 1, 2, ...}; 4) a) ]-, -2[ ( ]-1/2, +[; b) ]-1, 1[; c) ]-2, 3/2]; d) ]-3/4, 1/2[ ( ]4, +[; e) ]0, 1[ ( ]2, +[; f) [8/7, 5/3[; g) ]- , 2[; h) ]-4, -3[ ( [1, 2]; i) ]-, -3/4] ( [-2/5, 2]; 5) e; 6) a; 7) b; 8) c; 9) d; 10) a) C; b) 50 minutos.

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