### Home > A2C > Chapter 5 > Lesson 5.1.4 > Problem 5-51

5-51.

Given the parabola

*y*=*x*^{2}− 8*x*+ 10, complete parts (a) through (c) below. Homework Help ✎Find the vertex by averaging the

*x*-intercepts.Find the vertex by completing the square.

Find the vertex of

*y*=*x*^{2}− 3*x*using your method of choice.

Refer to problem 5-28 for help.

(4, −6)

You will need +16 on the right side of the equation to complete the square.

Use one of the methods from part (a) or part (b).