gothclaudiia gothclaudiia

16-11-2018
Mathematics

contestada

1. Suppose y varies directly with x, and y = 14 when x = -4. What is the value of y when x = -6

a. -21
b. 10
c. 18
d. 21

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

16-11-2018

direct variation

y = kx

substitute in and solve for k

14 = k(-4)

14/-4 =k

k = -7/2

y = -7/2 x

y = -7/2 * -6

y = 42/2 = 21

Choice D

Answer Link

brownloretta42pbf6ya brownloretta42pbf6ya

16-11-2018

the correct answer is 21

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