Maths - Modulus
See Also
Flashcards
2021-09-07
How can you solve modulus questions like
\[5 \vert x + 2 \vert - 1 = \frac{1}{2}x + 1\]
?
Pretend that it’s $(x + 2)$ and then pretend it’s $-(x + 2)$.
When worried about which “sign” of a modulus function to use when solving an equation, what should you do?
Draw a graph.