172k views
4 votes
According to the graph, what is the value of the constant in the equation below?

(4,12.5)(5,10)(10,5)(20,2.5)Plz help
A.15
B.5
C.2
D.50

User TafT
by
8.1k points

1 Answer

3 votes

If we assume your equation is ...

... y = k/x . . . . . . the equation of inverse variation

the value of k is found from any ordered pair of values.

... x·y = k . . . . . . multiply the above equation by x

... 4×12.5 = 5×10 = 10×5 = 20×2.5 = k = 50

The constant in the above equation is 50.

User Xevincent
by
7.2k points

No related questions found

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