How to use completing the square to solve a quadratic equation

How to use completing the square to solve a quadratic equation

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains the process of completing the square, a method used to solve quadratic equations when factoring is not possible. It begins by setting the equation to zero, then demonstrates how to create a perfect square trinomial by using the B/2 squared method. The tutorial concludes with solving the equation using the square root method, resulting in a solution for X.

Read more

2 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

What does adding the number to both sides of the equation achieve in the context of completing the square?

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you solve for X after completing the square?

Evaluate responses using AI:

OFF