alleryStart learning →Sort term, sum and mean
Exercise and reference answers
- Items
- Group
- nth term
- Item
- a + (n-1)d
- Group
- nth term
- Item
- Needs a and d
- Group
- nth term
- Item
- One term only
- Group
- Sum
- Item
- n/2 [2a+(n-1)d]
- Group
- Sum
- Item
- n/2 (a + l)
- Group
- Sum
- Item
- Adds all terms
- Group
- Mean
- Item
- b = (a+c)/2
- Group
- Mean
- Item
- Middle term
- Group
- Mean
- Item
- Average of two
- Groups
- Item
- nth term
- Item
- Sum
- Item
- Mean
- Instructions
- Drop each formula piece onto term, sum or mean.
Explanation
_Source: syllabus Mathematics, Chapter 5, Arithmetic Progressions._