- 1. Resolver: x – (2x + 1) < 8 – (3x + 3)
A) ]-13,+∞[
B) ]-∞,3[
C) ]-∞,1[
D) ]15,+∞[
- 2. Resolver: (5 -3x) – ( -4x +6) > (8x + 11) – (3x - 6)
A) ]-∞,-9/2[
B) ]-∞,-9[
C) ]-9,+∞[
D) ]-9/2,+∞[
- 3. Resolver:15x + (– 6x + 5) –2 –(–x + 3) ≥ – (7x + 23) – x + (3 –2x)
A) [-1,+∞[
B) ]-∞,2]
C) [1,+∞[
D) ]-∞,-2]
- 4. Resolver:16x – [ 3x – (6 – 9x)] > 30x + [ – (3x + 2) – (x + 3)]
A) ]2,-∞[
B) ]1/2,+∞[
C) ]-∞,+1/2[
D) ]-∞,-2[
- 5. La inecuación: 6x-4-2x≥4x+3 es
A) ]-∞,-1[
B) ]-∞,1[
C) ∅
D) [1,+∞[
- 6. Resolver: 9x – (5x + 1) – {2 + 8x – (7x – 5)} +9x ≥ 0
A) ]-∞,-2]
B) [2/3,+∞[
C) ]-∞,2/3]
D) [-2,+∞[
- 7. Resolver: – {3x + 8 – [ – 15 +6x – (–3x +2) – (5x + 4)] – 29} ≥ – 5
A) [-1/2,+∞[
B) ]-∞,-1]
C) [-1,∞[
D) [1/2,+∞[
- 8. El intervalo ]-∞,-5/7] escrito en notación por comprensión es
A) {x∈R,x<-5/7}
B) {x∈R,x≥-5/7}
C) {x∈R,x≤-5/7}
D) {x∈R,x>-5/7}
- 9. Resolver: 15x + (–6x + 5) –2 –(–x + 3) ≥ – (7x + 23) – x + (3 – 2x)
A) ]-∞,-1]
B) [1/2,+∞[
C) [-1/2,+∞[
D) [-1,∞[
- 10. Resolver: – {3x + 8 –[ –15 + 6x – (– 3x + 2) – (5x + 4)] – 29} ≥ – 5
A) [-5,∞[
B) [-1,∞[
C) ]-∞,-3]
D) ]-∞,-5]
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