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This uses an embedded Geogebra graph of a cubic polynomial with random coefficients set by NUMBAS. Student has to decide what kind of map it represents and whether an inverse function exists.
Metadata
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England schools
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England university
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Scotland schools
Taxonomy: mathcentre
Taxonomy: Kind of activity
Taxonomy: Context
Contributors
History
Adrian Jannetta 7 years, 4 months ago
Created this as a copy of Function graph 1.There are 55 other versions that do you not have access to.
| Name | Type | Generated Value |
|---|
| a | number |
-0.5
|
||||
| b | number |
1.5
|
||||
| c | number |
2.5
|
||||
| defs | list |
Nested 4×2 list
|
||||
| D | number |
4
|
||||
| n | integer |
1
|
||||
| y1 | number |
2.2916666667
|
||||
| y2 | number |
3.625
|
Generated value: number
-0.5
→ Used by:
- D
- defs
- y1
- y2
This variable doesn't seem to be used anywhere.
Choose several from a list
Ask the student a question, and give any hints about how they should answer this part.
- You may select more than one option.
- You can assume the visible graph represents the entire curve
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One-to-one map
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Many-to-one map
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One-to-many map
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This graph is a function.
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This graph is not a function.
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Inverse function exists.
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Inverse function does not exist.
Use this tab to check that this question works as expected.
| Part | Test | Passed? |
|---|---|---|
| Choose several from a list | ||
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This question is used in the following exams: