1003057904 | math4u.vsb.cz

SubArea:

Arithmetic sequences

Level:

Project ID:

1003057904

Accepted:

1

Clonable:

0

Easy:

0

The

2

nd term of an arithmetic sequence is

3

and the

14

th term is

51

. Choose the incorrect formula:

a_{20} = a_{2} + (51 - 3) \cdot 18

a_{20} = 75

a_{20} = a_{14} + 6 \cdot 4

a_{20} = a_{2} + 18 \cdot 4

a_{20} = 3 + \frac{18}{12} (a_{14} - a_{2})