G.P. bingo

Exercise and reference answers

Clues and terms

1. Clue

   Each term is a constant multiple of the previous one.

   Item

   G.P.

2. Clue

   The letter r in a, ar, ar squared.

   Item

   Common ratio

3. Clue

   The letter a in G.P. notation.

   Item

   First term

4. Clue

   The letter l in G.P. notation.

   Item

   Last term

5. Clue

   Square root of the product of two positive numbers.

   Item

   Geometric mean

6. Clue

   Half the sum of two numbers; never below the G.M.

   Item

   A.M.

7. Clue

   A sequence that never ends.

   Item

   Infinite

8. Clue

   Rule generating Fibonacci terms from earlier ones.

   Item

   Recurrence

9. Clue

   Falling values that form a sequence.

   Item

   Depreciation

Instructions

Read each clue and tap the term it describes.

Explanation