Learn how to solve an equation by completing the square

Learn how to solve an equation by completing the square

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains the process of completing the square to solve quadratic equations. It begins by outlining the objective of creating a perfect square trinomial. The teacher demonstrates isolating terms, calculating the constant term, and ensuring equation balance. The tutorial then covers factoring the trinomial and solving the equation, concluding with simplification of the solution.

Read more

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main objective when completing the square?

To factor the equation

To create a perfect square trinomial

To isolate the variable

To eliminate the constant term

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you find the constant term needed to create a perfect square trinomial?

Divide b by 2 and square it

Subtract b from the constant term

Add b to the constant term

Multiply b by 2 and square it

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do after adding the constant term to the left side of the equation?

Divide it by the right side

Multiply it by the right side

Subtract it from the right side

Add it to the right side

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next step after rewriting the trinomial as a perfect square?

Subtract the square root from both sides

Take the square root of both sides

Add the square root to both sides

Multiply both sides by the square root

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the solutions for x after solving the equation x + 3 squared equals 1?

x = -3 and x = 3

x = -1 and x = 1

x = -2 and x = -4

x = 2 and x = 4