scatterplots and mix review 2

scatterplots and mix review 2

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

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 used for?

Back

To make predictions.

2.

FLASHCARD QUESTION

Front

Which of the following could be a possible line of best fit for the data? y = -5/2x + 20, y = -x + 19, y = x + 20, y = 2/3x + 15

Back

y = -5/2x + 20.

3.

FLASHCARD QUESTION

Front

Solve for f: 2f + 4 = 12.

Back

f = 4.

4.

FLASHCARD QUESTION

Front

Find the height of the person using what you know about similar triangles: If a 6 ft tall person casts a shadow of 4 ft, how tall is a person who casts a shadow of 2.67 ft?

Back

Height = 4 ft.

5.

FLASHCARD QUESTION

Front

The red triangle has been dilated by a scale factor of 1/4, with the center of dilation at (0,0). What is the new image?

Back

Green triangle.

6.

FLASHCARD QUESTION

Front

What does a scatterplot represent?

Back

A scatterplot shows the relationship between two variables.

7.

FLASHCARD QUESTION

Front

What is the purpose of the correlation coefficient in scatterplots?

Back

To measure the strength and direction of a linear relationship between two variables.

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