Answer:
The numbers:
1, -3, 2, -9, 3, -15, 4, -21,
are not linear.
Step-by-step explanation:
If it was linear:
4, 3, 2, 1, -3, -9, -15, -21
I think one is 8.7 + 0 = 8.7
2
x
+
8
−
4
3
6
7
Subtract
from
.
Add
and
15
9
2x=28-10
2x=18
x=18÷2
x=9
25/4 75/8
25/4= 6.25
and 75/8= 9.375
and 9.375/6.25 = 1.5
