# How do you solve and write the following in interval notation: #x <= -7#?

##### 1 Answer

May 7, 2017

#### Explanation:

#"the inequality is already solved"#

#"that is " x<=-7" is the solution"#

#"this means that x can take values less than or equal to - 7"#

#"in interval notation this is expressed"#

#(-oo,-7]#

#"the parenthesis on the left indicates x cannot take this value"#

#"the 'square bracket' on the right indicates x can"#

#"take the value of - 7"#