A. x 1 2 3 y 1 4 9 B. x 1 2 3 y 2 5 10 C. x 1 2 3 y 3 6 9 D. x 1 2 3 y 0 3 8 Which table can be represented by a line? A) B) C) D)

A.)

x y

1 1

2 4

3 9

dx=2-1→dx=1 dy=4-1→dy=3

dx=3-2→dx=1 dy=9-4→dy=5 different to 3, then this table can not be represented by a line

B.)

x y

1 2

2 5

3 10

dx=2-1→dx=1 dy=5-2→dy=3

dx=3-2→dx=1 dy=10-5→dy=5 different to 3, then this table can not be represented by a line

C.)

x y

1 3

2 6

3 9

dx=2-1→dx=1 dy=6-3→dy=3

dx=3-2→dx=1 dy=9-6→dy=3, then this table can be represented by a line

D.)

x y

1 0

2 3

3 8

dx=2-1→dx=1 dy=3-0→dy=3

dx=3-2→dx=1 dy=8-3→dy=5 different to 3, then this table can not be represented by a line

Answer: Option C. x 1 2 3 y 3 6 9