jazmin9415 jazmin9415
  • 13-06-2019
  • Mathematics
contestada

If y varies directly as x, and y = -4 when x= 2, find y when x= -6

Respuesta :

ekefrank
ekefrank ekefrank
  • 18-06-2019

Answer:Y = 12

Step-by-step explanation:

Y varies ditectly as x

Y = kx

When y = -4, x = 2

Substitute the value of x and y into Y = kx

-4 = k * 2

Make k the subject of the formula

k = -4/2

k = -2

:. The equation connecting Y and x is

Y = -2x------

When x = -6

Y = -6*-2

Y = 12

Answer Link

Otras preguntas

Explain why the formation of the cross wall is important in binary fission
The sum of X to the six power and three times X written as an algebraic expression
The dutch colony of new netherlands was eventually renamed _____________
if p= the price of a pair of basketball shoes, which algebraic expression represents the phase below
When lifting weights up, use your lower back and not your legs
The answer. Order the following numbers from least to greatest
At Sarah's bakery over the course of a year she sold 56 birthday cakes for $55 a cake.At the end of the year she determined that for each cake she sold she had
Each paper clip can be traded for three matches. Each pencil can be traded for six paper clips. two pencils and two paper clips are worth ______ 38 matches
One eidtion of alices adventures in wonderland has 352 pages. how many 4's were used in the page numbers?
600,000+80,000+4 in standard form