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

Simplify the product using the distributive property. (3h - 7 ) ( 3h - 6) A. 9h² + 3h - 42. B. 9h² - 3h - 42. C. 9h²- 39h + 42 D. 9h² + 39h + 42

type of money system designed by Thomas Jefferson

What are two things that a leaf does for a plant

what is the relationship between a hormone and target cell

What are the classifications of antidiabetic drugs?

Which contraction correctly completes the sentence? My friend __________ returned any of my books so far. A. haven't B. hasn't

Which best describes the climax of the Iliad? A. Achilles enters the battle to avenge Patroclus's death. B. Agamemnon and Achilles argue over how to divide th

Vivian is working with a Styrofoam cube for art class. The length of one side is 5 in. How much surface area does Vivian have to work with?

Which clue indicates that a speciation has occurred between two populations? A. Two different looking individuals are within the same population. B. Interbreedi

can someone please come fast