Question

What is the constant of proportionality shown in the
table?

Answer 1

0.5

Explanation:

An equation is written as :

• y = kx
• k is the constant of proportionality

Taking the first row data (x = 2, y = 1),

• y = kx
• 1 = 2k
• k = 1/2
• k = 0.5

Answer 2

Option A, 0.5

Explanation:

Step 1: Determine the slope/proportionality

`Slope = (y_2 - y_1)/(x_2 - x_1)`

`Slope = (1.5-1)/(3-2)`

`Slope = (0.5)/(1)`

`Slope =0.5`

Answer: Option A, 0.5