# How do you find the equation of a line normal to the function #y=(x^2-1)/(2x+3)# at x=-1?

##### 1 Answer

Mar 23, 2017

Use the quotient rule to find

The slope of the tangent line is

Find the y coordinate,

Use the point slope form on the equation of a line

#### Explanation:

Use the quotient rule to find

let

The slope of the tangent line is:

#m = -1/y'(-1)

Find the y coordinate,

Use the point slope form on the equation of a line