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Learning how to solve a quadratic by applying the square root method

Learning how to solve a quadratic by applying the square root method

Assessment

Interactive Video

Mathematics

11th Grade - University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains how to find the solutions of a graph by setting Y to zero and using the square root method. It covers solving linear equations and extends to solving quadratic equations by introducing the concept of positive and negative square roots.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding where a graph crosses the x-axis?

Solve for Y

Graph the equation

Set Y equal to 0

Set X equal to 0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When is the square root method particularly useful?

When there are multiple variables

When the graph is a straight line

When there is only one variable, X^2

When the equation is linear

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next step after isolating X^2 in the equation?

Add 12 to both sides

Subtract 12 from both sides

Multiply by 4

Divide by 4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to consider both positive and negative roots when solving for X?

Because the square root operation introduces both positive and negative solutions

Because X can only be negative

Because it simplifies the equation

Because X can only be positive

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should the final answer include when solving for X using the square root method?

Both positive and negative roots

Only the negative root

Neither root

Only the positive root

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