Match the arithmetic sequences in the Column A with its common difference in the Column B.
Column A
1. -15, -17, -19, -21,
2. 42, 50, 58, 66,
3. 110, 100, 90, 80,
4. 1, 2.2, 3.4, 4.6,
5. 1, -14, -29, -44,
6. -66, -61, -56, -51,
7. 1/2, 3/2, 5/2, 7/2,
8. 1/2, -1/2, — 3/2, -5/2,
9. -15, -13, -11, -9,
Column B
H 2
E 1.2
R 5
I -10
R 8
F -2
D -15
I 1
C -1
Column A
1. -15, -17, -19, -21,
2. 42, 50, 58, 66,
3. 110, 100, 90, 80,
4. 1, 2.2, 3.4, 4.6,
5. 1, -14, -29, -44,
6. -66, -61, -56, -51,
7. 1/2, 3/2, 5/2, 7/2,
8. 1/2, -1/2, — 3/2, -5/2,
9. -15, -13, -11, -9,
Column B
H 2
E 1.2
R 5
I -10
R 8
F -2
D -15
I 1
C -1
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Answer:
1. F -2
2. R 8
3. I -10
4. E 1.2
5. D -15
6. R 5
7. I 1
8. C -1
9. H 2