# What is the equation of the line tangent to # f(x)=4x^2 + 4x - 4# at # x=-2#?

##### 1 Answer

Dec 20, 2015

#### Explanation:

The tangent line will pass through the point

Thus, the tangent line will pass through the point

The slope of the tangent line is

Write this in point-slope form.

In slope-intercept form:

graph{(y+12x+20)(4x^2+4x-4-y)=0 [-23.14, 17.41, -8.89, 11.37]}