# What are the excluded values of #y=(3x)/(2x+6)#?

##### 1 Answer

Jun 23, 2018

#### Explanation:

#"the denominator of y cannot be zero as this would make y"#

#"undefined. Equating the denominator to zero and solving"#

#"gives the value that x cannot be"#

#"solve "2x+6=0rArr2x=-6rArrx=-3#

#x=-3larrcolor(red)"is the excluded value"#