Identifying Functions: Key Concepts and Techniques

Identifying Functions: Key Concepts and Techniques

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of a function in mathematics?

A rule that does not require any inputs

A rule that assigns multiple outputs to one input

A rule that assigns each input exactly one output

A rule that assigns outputs randomly

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the vertical line test?

To determine if a graph is a straight line

To check if each x-value maps to multiple y-values

To verify if a graph represents a function by intersecting it at exactly one point

To ensure all lines are vertical on the graph

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean if a graph passes the vertical line test?

It only contains horizontal lines

It does not intersect the line at all

It intersects the line at multiple points

It intersects the line at exactly one point per line drawn

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a mapping diagram, what indicates that it does not represent a function?

The diagram includes only one x-value

All arrows point in the same direction

More than one arrow leaves from an x-value

Each x-value connects to exactly one y-value

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which scenario describes a function using a mapping diagram?

Each x-value has exactly one line connecting to a y-value

All lines in the diagram are parallel

No lines connect any x-values to y-values

An x-value with multiple lines leading to different y-values

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can mapping diagrams be converted for easier analysis?

By rearranging the x-values alphabetically

By removing all y-values

By converting them into sets of ordered pairs

By drawing more lines

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you confirm a set of ordered pairs represents a function?

By confirming all pairs are in ascending order

By ensuring no x-value is repeated

By checking if y-values are all different

By making sure there are at least two pairs

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