Relations/Functions/Qualitative Graphs Graded assignment 24.25

Relations/Functions/Qualitative Graphs Graded assignment 24.25

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a function?

Back

A function is a relation where each input (x-value) has exactly one output (y-value).

2.

FLASHCARD QUESTION

Front

Which of the following is not a function? {(0,1), (1,2), (2,3), (3,4)}, {(0,2), (1,3), (4,3), (1,2)}, {(1,3), (4,2), (2,0), (3,4)}, {(1,2), (2,2), (3,2), (4,2)}

Back

{(0,2), (1,3), (4,3), (1,2)} is not a function because the x-value 1 has two different y-values (2 and 3).

3.

FLASHCARD QUESTION

Front

What does it mean for a graph to represent a function?

Back

A graph represents a function if any vertical line drawn through the graph intersects it at most once (Vertical Line Test).

4.

FLASHCARD QUESTION

Front

Is the relation {(1,2), (2,3), (3,4), (1,5)} a function? Why?

Back

No, because the x-value 1 has two y-values (2 and 5).

5.

FLASHCARD QUESTION

Front

What is the Vertical Line Test?

Back

The Vertical Line Test is a method to determine if a graph is a function by checking if any vertical line crosses the graph more than once.

6.

FLASHCARD QUESTION

Front

Choose the graph that best depicts a man taking a ride on a ferris wheel.

Back

Graph b shows a periodic motion, typical of a ferris wheel.

7.

FLASHCARD QUESTION

Front

What does it mean if a graph is not a function?

Back

If a graph is not a function, it means that at least one x-value is paired with more than one y-value.

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