Three of these are wrong. Find the one that holds.

Exercise and reference answers

Questions

1. Question

   Three of these statements about a GP are false.

   Choices

   1. Item

      Consecutive terms share a constant ratio

      Correct

      Yes

   2. Explanation

      That describes an arithmetic progression.

      Item

      Consecutive terms share a difference

   3. Explanation

      A ratio below one makes the terms shrink.

      Item

      Its terms must always increase

   4. Explanation

      The nth term multiplies, it does not add.

      Item

      Its nth term is a plus n times r

Explanation