Algebra 2
3 marks · NormalComplete the table for where is directly proportional to .
| n | 1 | 2 | 4 |
|---|---|---|---|
| m | 5 |
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(table) — · must show 5, 20, 80
Must show: All table cells correct
Show mark scheme and worked solution
Marking points
M1 · 1 mark · Recognises the relationship , finds the constant .
A1 · 1 mark · Calculates when correctly: 20. (follow-through)
A2 · 1 mark · Calculates when correctly: 80. (follow-through)
Worked solution
When , so .
When .
When .
| n | 1 | 2 | 4 |
|---|---|---|---|
| m | 5 | 20 | 80 |