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Lines of Best Fit

Lines of Best Fit

Assessment

Flashcard

Mathematics

9th Grade - University

Practice Problem

Hard

CCSS
8.EE.B.5, HSS.ID.B.5, 8.EE.B.6

+4

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a line of best fit?

Back

A line of best fit is a straight line that best represents the data on a scatter plot, showing the trend of the data points.

Tags

CCSS.8.EE.B.5

2.

FLASHCARD QUESTION

Front

How do you determine the slope of a line?

Back

The slope of a line is determined by the formula m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are two points on the line.

Tags

CCSS.8.EE.B.5

3.

FLASHCARD QUESTION

Front

What does a positive correlation indicate?

Back

A positive correlation indicates that as one variable increases, the other variable also increases.

Tags

CCSS.HSS.ID.B.5

4.

FLASHCARD QUESTION

Front

What does a negative correlation indicate?

Back

A negative correlation indicates that as one variable increases, the other variable decreases.

Tags

CCSS.HSS.ID.B.5

5.

FLASHCARD QUESTION

Front

What is the y-intercept in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis, represented by the value of b in the slope-intercept form y = mx + b.

6.

FLASHCARD QUESTION

Front

What does it mean if there is no association in a scatter plot?

Back

No association means that there is no discernible relationship between the two variables; changes in one do not affect the other.

Tags

CCSS.HSS.ID.B.5

7.

FLASHCARD QUESTION

Front

How can you predict values using a line of best fit?

Back

You can predict values by using the equation of the line of best fit to find the corresponding y-value for a given x-value.

Tags

CCSS.HSF.IF.A.2

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