9000065309 | math4u.vsb.cz

SubArea:

Arithmetic sequences

Level:

Project ID:

9000065309

Accepted:

1

Clonable:

0

Easy:

1

The arithmetic sequence satisfies

a_{26} = 58

and

a_{21} = 43

. Find the first term

a_{1}

and the common difference

d

of this sequence.

a_{1} = - 17; d = 3

a_{1} = - 1; d = 5

a_{1} = 1; d = 15

a_{1} = - 1; d = 3