3coached example
solve and graph the inequality z - 8 s 5.
use inverse operations to isolate the variable.
to both sides.
is subtraacted from z, add
since
z - 8 s 5
s 5 +
8 t
graph the solution set on the number line below.
o 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
circle at
since the symbol is -, draw a n)
this shows that
since all values less than
is a solution.
are also solutions, draw an arrow to the
its graph is shown above.
the solution set for the inequality is z s