How do you solve and write the following in interval notation: #-7<b/9<0#?
1 Answer
Apr 4, 2018
See explanation.
Explanation:
To solve such double inequality you can use all methods used in standard inequalities only remembering to use them for all sides. Here you can multiply all sides by
#-7 < b/9 < 0# ##
After multiplying by
#-63 < b < 0#
The numbers fulfilling the inequality are greater than