sipstea
sipstea sipstea
  • 04-05-2017
  • Mathematics
contestada

the value of y varies directly as x, y is 9 when x is -3 what is the constant of variation k

Respuesta :

irspow
irspow irspow
  • 04-05-2017
direct variation has the form y=kx.  Given a point we can solve for the constant k.

y=kx, when y=9 and x=-3 becomes:

9=-3k

k=-3 so the constant of variation is negative 3
Answer Link

Otras preguntas

Why do humans have emotions​
if your here then pls help me i need it if not have a great day
Government types of the Soviet Union and Cuba
write an informal letter to your friend studying outside Nigeria telling her some of the problems you are facing and asking her for solution on how to solve the
Which instrument is NOT a member of the brass family?
(1 + cos theta + cos(theta/2))/(sin theta + sin(theta/2)) = cot(theta/2) ​
For those diagnosed with a panic disorder what is the source of their fear/anxiety? a. Being around enclosed spaces b. Having additional panic attacks c. Bein
solve the following equation
He has dissolved Representative Houses repeatedly, for opposing with manly firmness his invasions on the rights of the people.
Any system of government in which a small group holds power is called