Mathematics for IGCSE & O level - Inequalities (Section 1 - No. 34)
In the context of solving inequalities, what does the phrase "show the solution as a number line" instruct you to do?
Draw the inequality on a number line.
Represent the solution graphically on a number line.
Find the numerical values of the solution.
Plot the graph in the Cartesian plane
Explication
It's a graphical representation of the solution set.