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 :

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

A car rental agency advertised renting a car for $28.95 per day and $0.27 per mile. If Greg rents this car for 4 days, how many whole miles can he drive on a $1

Which of the following would not be classified as a result of climate change?

Is a repeating decimal a rational number, someone help ASAP

1. Does the equation y = -x + 2 have a positive or negative slope?

someone answer this for me pls

Marissa has to write an argumentative essay about social media Which of the following is an example of a claim she might make? Select one:

Explain why 186,426 Is diviable by both 3 and 9

In an acute triangle, the measures of two angles are 50° and 60°. What is the measure of the third angle?

What was the first permanent European settlement in what is now the United States?

Multiple choice question