Skip to content
OtisamLMS
Sign in Sign up
Elective Mathematics

Elective Mathematics · Quick practice · answer shown after each question

Series: sigma notation and special sums

Question 1 of 10

Question 1 of 10

Evaluate Σ r from r = 1 to 5.

Question 2 of 10

Question 2 of 10

Σ_{r=1}^{n} 1 =

Question 3 of 10

Question 3 of 10

Σ r² = (Σ r)².

Question 4 of 10

Question 4 of 10

Evaluate Σ r³ from r = 1 to 7.

Question 5 of 10

Question 5 of 10

Evaluate Σ r from r = 1 to 4.

Question 6 of 10

Question 6 of 10

A series is

Question 7 of 10

Question 7 of 10

The notation Σ is used to

Question 8 of 10

Question 8 of 10

Evaluate Σ (4r + 3) from r = 1 to 9.

Question 9 of 10

Question 9 of 10

Evaluate Σ r from r = 1 to 10.

Question 10 of 10

Question 10 of 10

Express 0.363636… as a fraction using a geometric series.

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.