### Home > INT2 > Chapter 9 > Lesson 9.3.1 > Problem9-88

9-88.

For each quadratic function below, complete the square to write it in graphing form. Then state the vertex of each parabola.

1. $f(x) = x^2 + 4x + 5$

$f(x) = (x + 2)2 + 1,$ vertex: $(-2, 1)$
1. $f(x) = x^2 - 7x$