Line of Best Fit

Line of Best Fit

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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11 questions

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1.

FLASHCARD QUESTION

Front

Equation of the line of best fit? Options: y = -25x + 170, y = -5/8x + 170, y = 25x + 170, y = 5/8x + 170

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Back

y = -25x + 170

2.

FLASHCARD QUESTION

Front

What is the line of best fit? Options: y = 5/3x + 375, y = 1/3x + 475, y = 5/3x + 3, y = 1/3x + 375

Media Image

Back

y = 5/3x + 375

3.

FLASHCARD QUESTION

Front

Based on the trend line, about how many guests should be expected if the temperature is around 80 degrees?

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Back

8,300

4.

FLASHCARD QUESTION

Front

Use the line of best fit to approximate rate of change relative to the scatter plot above.

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Back

-5/7

5.

FLASHCARD QUESTION

Front

What is the equation of the line of best fit? Options: y = 1/2x + 3, y = 1/40x, y = 1/2x + 15, y = 1/40x + 15

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Back

y = 1/40x + 15

6.

FLASHCARD QUESTION

Front

What is the correlation between the x and y variables?

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Back

y decreases as x increases

7.

FLASHCARD QUESTION

Front

Predict the grade of a student that has 7 absences.

Media Image

Back

60

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