jasminepagan92
jasminepagan92 jasminepagan92
  • 22-01-2021
  • Mathematics
contestada

What is the direct variation equation if f(x) varies directly with x and f(x)=−18 when x = 3?

A) f(x)=−15x
B) f(x)=−3x
C) f(x)=−16x
D) f(x)=−6x

Respuesta :

pattsoraidy
pattsoraidy pattsoraidy
  • 23-01-2021

Answer:

your answer is B becausewe can find k when given any point by dividing the y-coordinate by the x-coordinate. For example, if y varies directly as x, and y = 6 when x = 2, the constant of variation is k = - 3.

Answer Link

Otras preguntas

this is something that isn't a necessity but is nice to have (like a salt shaker or a telephone)
How can you use ordinance in a sentence
-11 - 5a = 6(5a+4) ?? Totally having a brain fart
how do you simplify (2xy2)3
What is Nine and two hundred thirty-five thousandths in decimals
this is something that isn't a necessity but is nice to have (like a salt shaker or a telephone)
What is the (possessive noun) in this sentence. The equipment belonging to the tennis team
The sum of three integers is 92. The second number is three times the first number. The third number is ten less than twice the first number. Find the integers.
The least common multiple of two numbers is 60, and one of the numbers is 7 less than the other number. What are the numbers? Justify your answer
The bacteria that produce food from the chemicals in the water surrounding hydro thermal vents deep in the ocean are?