Question

The region XOY - plane which is represented by the inequalities -5 ≤ x ≤ 5, -5 ≤ y ≤ 5 is ______ 

Options

• a triangle

• a circle

• a square

• a rectangle which is not a square

Answer 1

The region XOY - plane which is represented by the inequalities -5 ≤ x ≤ 5, -5 ≤ y ≤ 5 is a square.

Explanation:

The graph of given inequalities is common to the graphs of x ≥ -5, x ≤ 5, y ≥ -5, y ≤ 5.