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  5. Understanding Line Of Best Fit In Desmos
Understanding Line of Best Fit in DESMOS

Understanding Line of Best Fit in DESMOS

Assessment

Interactive Video

•

Mathematics

•

9th - 10th Grade

•

Practice Problem

•

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding the line of best fit in DESMOS?

Adjust the view using the wrench tool

Write the equation in slope-intercept form

Create a scatter plot

Input x and y values into a table

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you adjust the view of the scatter plot in DESMOS?

By changing the color of the plot

By adding more data points

By using the wrench tool to control x and y values

By changing the background color

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What form is used to write the equation of the line of best fit?

Slope-intercept form

Standard form

Point-slope form

Quadratic form

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using an approximate equal sign in the equation?

To indicate an exact fit

To change the slope of the line

To show that the line is an estimation

To make the equation more complex

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'm' represent in the equation y = mx + b?

The correlation coefficient

The x-intercept

The slope

The y-intercept

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the 'b' in the equation y = mx + b?

It is the correlation coefficient

It is the y-intercept

It represents the slope

It is the x-intercept

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the correlation coefficient 'r'?

It indicates the strength of the linear relationship

It determines the color of the line

It represents the slope of the line

It shows the number of data points

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