# What is the equation of the line between #(-9,16)# and #(-4,12)#?

##### 1 Answer

Apr 16, 2018

Let's use the *point-slope formula*

Now we have the slope for *point-slope form*, which is

Let's guess:

graph{y=-4/5x+5}

Were looking for

Nope, not quite

graph{y=-4/5x+5.2}

Almost

graph{y=-4/5x+7.8}

We're so close

graph{y=-4/5x+8.8}

Great! We have our equation!