Question

Resolva as inequações:

a) 2x + 5 ≥ – 3x + 10
b) 6(x – 2) – 2(4x +1) ≥ 20
c) 15 – (7x + 4) < 20
d) x² - 7x + 6 < 0
e) (x - 2)² < 2x - 1

Answer 1

a)2x+3x≥10-5
5x≥5
x≥5/5
x≥1
b)6x-12-8x-2≥20
6x-8x≥20+12
-2x≥32
-32/2≥x
-16≥x