IOQM · Mathematics · Basic Preliminaries
|x| properties, equations and inequalities involving |.|.
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Q1 · Modulus / Absolute Value · EASY
What is the value of |3 − 7| + |−5|?
Q2 · Modulus / Absolute Value · HARD
For how many integer values of k does the equation |x − 3| + |x + 2| = k have exactly one solution?
Q3 · Modulus / Absolute Value · MEDIUM
How many real solutions does the equation |x − 2| = |x + 1| have?