How to solve a quadratic by applying the square root method

How to solve a quadratic by applying the square root method

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to solve quadratic equations using the square root method. It begins by discussing the need to isolate the square term in the equation. The tutorial then demonstrates taking the square root of both sides, emphasizing the inclusion of both positive and negative roots. It also addresses the concept of complex numbers when real solutions are not possible, concluding with a summary of the method.

Read more

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a quadratic equation using the square root method?

Isolate the squared term

Multiply both sides by a constant

Factor the equation

Add a constant to both sides

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When isolating the variable, why is it important to consider both positive and negative roots?

To eliminate imaginary numbers

To simplify the equation

To account for all possible solutions

To ensure the equation is balanced

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is used to undo the squaring of a variable?

Addition

Subtraction

Square root

Multiplication

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might a quadratic equation have no real solutions?

The equation is already factored

The square root of a negative number is involved

The equation is not set to zero

The squared term is not isolated

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can a solution involving the square root of a negative number be expressed?

As a fraction

As a decimal

As a real number

As an imaginary number