How should the boundary point at be shown on the number line for the inequality ?

MATHEMATICS · Single correct · CBSE · Mathematics · Linear Inequalities · Linear Inequalities

Problem

How should the boundary point at

-1

be shown on the number line for the inequality

x \ge -1

? (a) Closed circle at

-1

and shading to the left (b) Closed circle at

-1

and shading to the right (c) Open circle at

-1

and shading to the left (d) Open circle at

-1

and shading to the right