Question

Identify the table that demonstrates a proportional relationship.(1 point)
Responses

x y
8 2
12 3
40 4
x y 8 2 12 3 40 4

x y
2 10
5 20
6 30
x y 2 10 5 20 6 30

x y
10 2
15 3
40 8
 
x y 10 2 15 3 40 8  

x y
4 2
9 3
16 4

Answer 1

To determine which table demonstrates a proportional relationship, we need to check if the ratio of \( \frac{y}{x} \) is constant for all corresponding pairs in the table.

1. **First table:**
- \( \frac{2}{8} = 0.25 \)
- \( \frac{3}{12} = 0.25 \)
- \( \frac{4}{40} = 0.1 \)
- Not constant.

2. **Second table:**
- \( \frac{10}{2} = 5 \)
- \( \frac{20}{5} = 4 \)
- \( \frac{30}{6} = 5 \)
- Not constant.

3. **Third table:**
- \( \frac{2}{10} = 0.2 \)
- \( \frac{3}{15} = 0.2 \)
- \( \frac{8}{40} = 0.2 \)
- Constant at 0.2.

4. **Fourth table:**
- \( \frac{2}{4} = 0.5 \)
- \( \frac{3}{9} \approx 0.333 \)
- \( \frac{4}{16} = 0.25 \)
- Not constant.

The **third table** shows a constant ratio of \( \frac{y}{x} = 0.2 \), indicating a proportional relationship. Therefore, the answer is the **third table**:

**x y 10 2 15 3 40 8**