Algebra is a core part of mathematics that develops critical thinking and problem‑solving skills. Among its many topics, inequalities stand out as both essential and challenging for students. Whether ...
An equation is formed by an expression either side of an equals sign, the left hand side is equal to (i.e. has the same overall value) as the right hand side. The key to dealing with equations is to ...
Inequalities that use < or > symbols are plotted with a dashed line to show that the line is not included in the region. Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that ...
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