# data[].attributes.body
2) a=3
b= -2

# data[].attributes.body
(a) (a3^2)+3b
9a + 3b
(b) 9a+3b= 21
(a6^2) + 6b
36a + 6b
- 9a + 3b
= 27a+ 3b

# data[].attributes.body
9n+3b

# data[].attributes.body
n= 16, 19, 22, 25, 28
delta 1= +3, +3, +3, +3, +3
an+b
a=3
3n+b
(3*1)b=16
b=16-3
b=13
3n+13

# data[].attributes.body
a3^2+b3

# data[].attributes.body
1) an2 + bn
9a+ 3b

# data[].attributes.body
a) a3^2 + b3
b) 96-21 = 75
75/3 = 25
a=25

# data[].attributes.body
9,16,25,36,49
delta 1- 7,9,11,13
delta 2- 2,2,2,2
equation- an2+bn+c
2a=2
a=1
3a+b=7
b=4
a+b+c=11
1+4+c=9
c=4

# data[].attributes.body
n = 16, 19, 22, 25, 28
delta1 = +3, +3, +3, +3
an+b
a = 3
3n+b
(3*1)+b = 16
b = 16-3
b = 13
3n+13

# data[].attributes.body
Delta 1 = 7, 9, 11, 13
Delta 2= 2, 2, 2
Quadratic equation- an2+bn+c
2a= 2
a= 1
3a+b = 7
3 + b = 7
b= 4
a+ b+ c = 1 +4 + c = 9
c= 4
Quadratic equation= 1n2 + 4n + 4

# data[].attributes.body
a = 6
b = 1
6n+1

# data[].attributes.body
n = 1, 3, 9, 27, 81
delta 1 = 2, 6, 18, 54
delta 2 = 4, 12, 36
delta 3 = 8, 24
Geometric sequence: 3^n-1

# data[].attributes.body
First difference = 6
6*1+b=7
b=1
6n+1