jarvviss jarvviss

20-01-2016
Mathematics

contestada

What is the constant of variation, k, of the direct variation, y = kx, through (5, 8)?

Respuesta :

taskmasters taskmasters

20-01-2016

(5,8) ⇒ x = 5 ; y = 8

y = kx
8 = k5
k = 8/5 ⇒ 1.60 in decimal and 1 3/5 in mixed fraction.

To check:
y = kx
y = 1.6(5)
y = 8

y = kx
8 = 1.6x
8/1.6 = x
x = 5

Answer Link

alexrazimoore alexrazimoore

15-05-2019

Answer:

k = 8/5

Step-by-step explanation:

Answer Link

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