Algebra
# Absolute Value

How many real numbers have an absolute value of 4?

$\frac{\mid x \mid}{x} = ?$

If $-5 \leq x \leq 5,$ what value of $x$ produces the greatest sum for this expression?

$\mid 3 + x\mid + \mid x - 4 \mid$

How much larger is $\mid 10\mid$ than $\mid -10 \mid ?$