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

Which of the following efforts to control a virus would be ineffective ective? A) the use of vaccines b) the use of antibiotics c) avoiding contact with infecte

Identify whether the statement below is TRUE or FALSE, then explain your reasoning. Be sure to explain your answer clearly and provide support for your statemen

The expression s2 is the area of a square, where s is the side length of the square. What does the expression (6x)2 represent? A) the area of a square with a s

There are many different types of scientific investigations. Which of the following forms requires the identification and control of variables? A. observati

Solve the equation for Y 13x+y=4

To set off a quote inside a quote which punctuation mark should you use? A)no quotation marks B)single quotation marks C)regular quotation marks D)double qu

What can you add to battery acid to significantly change the ph

When Herbert describes the borders of New Hampshire as "...an idea."- what does she mean?

What were the reasons for the revolts and rebellions that occurred in the colonies of virginia, maryland, massachusetts, and new york between 1660 and 1700? how

What is 0.04 divided by 10