Question

Somebody please help meeeee pt.2​

Answer 1

Answer:

See explanation

Step-by-step explanation:

Consider the sequence 10, 6, 2, -2, -4, ...

Rewrite it as

$a_1=10,\\ \\a_2=6,\\ \\a_3=2,\\ \\a_4=-2,\\ \\a_5=-6,...$

The points on the coordinate plane are

$(1,a_1),\ (2,a_2),\ (3,a_3),\ (4,a_4),\ (5,a_5),...$ (see attached graph).

Since

$4=a_2-a_1=a_3-a_2=a_4-a_3=a_5-a_4=...,$ given sequence is arithmetic.