Mathematics for IGCSE & O level - Inequalities (Section 2 - No. 35)
Given the following inequalities: y ≤ x + 5, y ≥ -x - 5, y ≥ 0, which of the following point is a solution of these inequalities?
(0, -6)
(0, 6)
(-6, 0)
(6, 0)
Giải thích
Only (6, 0) satisfies all of the inequalities.