Question

8) Which table shows a proportional relationship between x and y?

1
y
1
4
2
3
4
8
4
6
10
с
12
8
А
9
16
14
16
12
22
20
20
15
28
x
3
.
y
5
1
12
6
10
2
14
12
D
w N
B
15
16
18
18
4
24
20
20
30
25
5
9 Danielle constructs a scale model of a building with a rectangular base. Her model

Answer 1

D

Explanation:

1*5=5

2*5=10

3*5=15

4*5=20

5*5=25

Answer 2

D

Explanation:

A table shows a proportional relationship if all of the y/x ratios are the same.

A: 4/3 ≠ 10/6 . . . . not proportional

B: 6/12 ≠ 12/14 . . . . not proportional

C: 2/4 ≠ 20/20 . . . . not proportional

D: 1/5 = 2/10 = ... = 5/25 . . . . proportional relationship