84.2k views
2 votes
A direct variation function contains the points (-8,-6) and (12,9) which equation represents the function

User Mxmtsk
by
8.3k points

1 Answer

4 votes

Answer:

y = 0.75x

Explanation:

Given y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k substitute either of the 2 points into the equation

Using (12, 9 ), then

k =
(y)/(x) =
(9)/(12) = 0.75, so

y = 0.75x ← equation of variation

User Adean
by
7.8k 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