What are the first four terms of the sequence represented by the expression n(n – 2) – 3?

Question

A. –5, –2, 1, 4
B. –4, –3, 0, 5
C. –3, 0, 3, 6
D. –2, 0, 2, 4

Answer 1

To find the first four terms of the sequence represented by the expression n(n – 2) – 3, we substitute n = 1, 2, 3, and 4.

For n = 1: 1(1 – 2) – 3 = –2
For n = 2: 2(2 – 2) – 3 = –3
For n = 3: 3(3 – 2) – 3 = –3
For n = 4: 4(4 – 2) – 3 = 5

Therefore, the first four terms are: –2, –3, –3, 5.

The answer is B. –4, –3, 0, 5.