Practice Rhs Expression Explanation (16.7.2)

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Define a recurrence relation in your own words.
Show hintHide hint
Focus on how sequences can be interconnected.
Question 2.
What are initial conditions?
Show hintHide hint
Think about why certain values are needed at the beginning.
3Question 3.
What is a recurrence relation?
- A polynomial function
- An equation defining a sequence based on previous terms
- A random number generator
Show hintHide hint
Think about how sequences are 'recursive' in nature.
4Question 4.
True or False: Initial conditions are unnecessary for calculating terms in a recurrence relation.
- True
- False
Show hintHide hint
Consider the foundation of a building; without starting points, you can't build up.
Question 5.
Given a recurrence relation f(n) = f(n-1) + f(n-2) and f(1) = 1, f(2) = 1, find f(5).
Show hintHide hint
Break down to previous values step by step.
Question 6.
How would you set up a recurrence for a scenario where you're counting valid sequences of a different form, say starting with 2 and increasing?
Show hintHide hint
Define your new starting point and conditions.

4 more questions in this section. Enroll free to practise them all.