Question

Write the first five terms of the arithmetic sequence whose first term is 7​, and whose common difference is 3.
a 1= ?

Answer 1

an arithmetic sequence is one where each term is the sum of the previous number and some constant. we are given the first term is 7 and the common difference is 3. this means our sequence is
7, 10, 13, 16, 19, 21 etc.