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Find the constant of proportionality k. Then write an equation for the

relationship between x and y.

X | 2 | 4 | 6 | 8 |

_______________

Y | 10 | 20 | 30 | 40 | I tried to make the table

Answer: k = _, y =

Respuesta :

Answer:

see explanation

Step-by-step explanation:

Given x and y are in proportion then the equation relating them is

y = kx ← k is the constant of proportion

To find k use an ordered pair from the table

Using (2, 10 ), then

10 = 2k ( divide both sides by 2 )

5 = k , thus

y = 5x ← relationship between x and y

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