Unit 3 Linkit Review

Unit 3 Linkit Review

Assessment

Flashcard

Mathematics

9th - 12th Grade

Hard

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9 questions

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1.

FLASHCARD QUESTION

Front

What type of correlation exists between the outside temperature and the amount of layers you wear?

Back

Negative correlation: As the temperature increases, the number of layers worn decreases.

2.

FLASHCARD QUESTION

Front

What is the equation of the line with a slope of -2.2 and a y-intercept of 5?

Back

y = -2.2x + 5

3.

FLASHCARD QUESTION

Front

What is the r-value for the line of best fit with the equation y = -2.2x + 5?

Back

r = -0.942

4.

FLASHCARD QUESTION

Front

The difference between two terms in an arithmetic sequence is called ___________________.

Back

Common Difference

5.

FLASHCARD QUESTION

Front

Which of the following best describes a positive correlation?

Back

As one variable increases, the other variable also increases.

6.

FLASHCARD QUESTION

Front

What is the equation of a horizontal line at y = 1?

Back

y = 1

7.

FLASHCARD QUESTION

Front

What is the definition of a negative correlation?

Back

A relationship where one variable increases as the other decreases.

8.

FLASHCARD QUESTION

Front

What does the slope of a line represent in a graph?

Back

The rate of change of the dependent variable with respect to the independent variable.

9.

FLASHCARD QUESTION

Front

What is the formula for finding the slope (m) between two points (x1, y1) and (x2, y2)?

Back

m = (y2 - y1) / (x2 - x1)