### Home > A2C > Chapter 4 > Lesson 4.3.2 > Problem 4-149

4-149.

Use the technique of completing the square to express *y* = *x*^{2} − 5*x* + 7 in graphing form and state the vertex. Homework Help ✎

Set up the generic rectangle.

How many ones do you need to complete the square?How many do you have?

Write the factors.