Practice for Function Test

Practice for Function Test

Assessment

Flashcard

Mathematics

9th Grade

Practice Problem

Hard

Created by

Wayground Content

Used 1+ times

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the domain of a function?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.

2.

FLASHCARD QUESTION

Front

What is the domain of the function f(x) = 3x - 8?

Back

The domain is all real numbers, or (-∞, ∞).

3.

FLASHCARD QUESTION

Front

What is an arithmetic sequence?

Back

An arithmetic sequence is a sequence of numbers in which the difference between consecutive terms is constant.

4.

FLASHCARD QUESTION

Front

How do you find the nth term of an arithmetic sequence?

Back

The nth term can be found using the formula: a_n = a_1 + (n-1)d, where a_1 is the first term and d is the common difference.

5.

FLASHCARD QUESTION

Front

What is the common difference in the sequence 13, 22, 31, 40?

Back

The common difference is 9, calculated as 22 - 13.

6.

FLASHCARD QUESTION

Front

What is the formula for the line of best fit?

Back

The line of best fit can be represented by the equation y = mx + b, where m is the slope and b is the y-intercept.

7.

FLASHCARD QUESTION

Front

What is a trend line?

Back

A trend line is a line that best represents the data on a scatter plot, showing the general direction of the data.

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