Let n is an unknown number.
\The word the product of
and a number n
represents
.
The word is greater than
represents
.
The word is less than
represents
.
The word the product of
and a number n is greater than 35 or is less than
represents
.
The compound inequality is .
Solve the inequality 1: .
Divide each side by negative 5 and reverse the inequality.
\Cancel common terms.
\.
Solve the inequality 2: .
Divide each side by negative 5 and reverse the inequality.
\Cancel common terms.
\.
The solution set is .
The value of n lies between .
Check: To check, substitute three different values for n into the original first inequality : a number
, a number less than
, and greater than
.
Let three values are .
If then
(This is true)
If then
(This is false)
If then
(This is false)
Check: To check, substitute three different values for n into the original second inequality : a number
, a number less than
, and greater than
.
Let three values are .
If then
(This is false)
If then
(This is false)
If then
(This is true)
The solution set is .