Question

What ordered pair is the vertex of `y= |x+2| -1`?

Answer 1

`(-2, -1)`

Explanation:

The `x` cohordinate of the vertex of `f(x) = |x + a|` is `x_V = -a`

`a = 2 \Rightarrow x_V = -2 \Rightarrow y_V = |-2+2| - 1 = -1`