Question

math 7
spiral review #18
determine if the given representation shows a proportiona
you must show your work/thinking.
1)

x	y
1	25
3	75
5	120
7	175

Explanation:

Step1: Calculate y/x for each pair

$\frac{25}{1}=25$, $\frac{75}{3}=25$, $\frac{120}{5}=24$, $\frac{175}{7}=25$

Step2: Check for constant ratio

Not all ratios are equal (25 ≠ 24).

Answer:

The relationship is not proportional.