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

DO YOU KNOW ABOUT HYDROPONICS?HOW CAN YOU DEVELOP MULTIPLE FARMING WITHOUT USING EXTENSIVE LAND?​
Do you think slavery would have been as widely used in the British Empire if King Charles and King James had not benefitted financially from the Royal African C
The first positive angle between the initial and terminal arm of an angle in standard position is called the​
Find the value of y in the equation. 3/y-2=8
—No. ¿Dónde ____________________ el camarero?
In a market economy, individuals' economic lives are said to be interrelated with many other individuals and firms. almost completely controlled by government r
Confusion Corp is expected to pay a dividend of $2 in the upcoming year. The risk-free rate of return is 4%, and the expected return on the market portfolio is
The Tennessee Valley Authority led to an expansion of A African American voting rights. B wheat production during World War II. C the recall movement in the
A person can contract the Human Immunodeficiency Virus (HIV) from these four sources onlya. donating blood, sharing a razor, a mosquito bite, sexb. insects, tea
Question 9 The triangles shown are