The inequality .
(Product of two same signs is positive)
Apply subtraction property of inequality: Subtract 2.5 from each side.
\ (Additive inverse property:
)
(Additive identity property:
)
(Subtract:
)
Graph the solution set on a number line
Note: A circle means that this point is not included in the solution set.
Check:
\To check, substitute a number greater than 5.6 in .
(Substitute: y = 6)
(Product of two same signs is positive)
(Add:
)
The inequality solution is .