Practice Introduction (5.1) - ARITHMETIC PROGRESSIONS

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.
What is the common difference in the AP: 3, 5, 7, 9?
Show hintHide hint
Subtract the first term from the second.
Question 2.
List the first three terms of the AP with a=4 and d=3.
Show hintHide hint
Start with 4 and keep adding 3.
3Question 3.
What is an arithmetic progression?
Show hintHide hint
Think of examples in your life.
4Question 4.
True or False: The sum of infinite AP is always finite.
Show hintHide hint
Recall the definitions of finite vs infinite.
Question 5.
If an AP starts from 3 and has a common difference of 5, find the 15th term.
Show hintHide hint
Follow the nth term formula carefully.
Question 6.
A student realizes the total of first n terms of an AP is 300. If n = 12 and a = 5, find d.
Show hintHide hint
Break down the formula into components.

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