Sigma notation Quiz
10 questions · easy to harder · Algebra 2 · score and step-by-step answers
How it works
- 10 questions, about 20 minutes (a timer counts down; you can hide it). Solve it right here: no sign-up.
- 5 questions have choices. For the others you type the answer: a number like 4, −2, 7/2 or 3.5, or for example x = 4, x = 2 or x = −3, (3, 5), 2x + 1. Use ^ for powers (x^2) and sqrt for √. Any form with the same value counts (7/2 = 3.5).
- One question at a time: Back, Next, Mark for review and the question list at the bottom. A calculator is on the screen.
- At the end: your percent and grade, every question right or wrong, why a wrong choice is wrong, and its step-by-step solution. Then practise the lesson with new questions.
Your answers and results are kept in this browser only, so you can close the page and come back.
1 Question 1
Find the sum from i = 1 to 5 of 2i.- A) 5
- B) 2
- C) 30
- D) 4
2 Question 2
Find the sum from i = 1 to 4 of (i + 3).Type the answer.
3 Question 3
Find the sum from k = 1 to 4 of k2.- A) 30
- B) 1
- C) 4
- D) 9
4 Question 4
Find the sum from i = 1 to 5 of (4i − 1).Type the answer.
5 Question 5
Find the sum from n = 1 to 6 of (n + 10).- A) 31
- B) 6
- C) 11
- D) 81
6 Question 6
Find the sum from i = 1 to 5 of (2i + 1).Type the answer.
7 Question 7
Find the sum from k = 2 to 5 of k2.- A) 4
- B) 5
- C) 54
- D) 9
8 Question 8
Find the sum from i = 1 to 4 of 3 × 2i-1.Type the answer.
9 Question 9
Find the sum from k = 0 to 4 of (10 − 3k).- A) 4
- B) 10
- C) 20
- D) −20
10 Question 10
Find the sum from i = 1 to 6 of (12 − 2i).Type the answer.