182k views
2 votes
Find the constant of proportionality. Then write an equation relating x and y. y is directly proportional to x, and y = 2 when x = 4

User Vuzun
by
7.6k points

1 Answer

7 votes

y = kx

where:

k= constant of proportionality

y = 2 when x = 4​

Replace:

2 = k4

Solve for k

2/4 = k

k= 1/2

Equation:

y= 1/2 x

constant of proportionality = 1/2

User Kirill Novikov
by
8.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories