Question

Which lists all the integer solutions of the equation |x| = 4?



A.


–4 and 4


B.
0 and 4


C.


–4 only


D.
4 only

Answer 1

hint:
by definition of absolute value of \( \large x \), we have:
\[\Large \left| x \right| = \left\{ {\begin{array}{*{20}{c}}
{x,\quad x \geqslant 0} \\
{ - x,\quad x < 0}
\end{array}} \right.\]

Answer 2

i think A