SOLUTION: Tell whether x and y show direct variation. Explain the reasoning. If so, find k. x 1 2 3 4 ----------- - y 2 4 6 8

SOLUTION: Tell whether x and y show direct variation. Explain the reasoning. If so, find k. x 1 2 3 4 ----------- - y 2 4 6 8

Algebra.Com

Question 1019183: Tell whether x and y show direct variation. Explain the reasoning. If so, find k.
x 1 2 3 4
-------------
y 2 4 6 8
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
They do, and k=2
y=kx
y=2x
Each y is twice the corresponding x-value.
RELATED QUESTIONS
For the data in the table, tell whether y varies directly with x. If it does, write an... (answered by josgarithmetic)

Determine whether y varies directly with x. If so, find the constant of variation k and... (answered by longjonsilver)

the question is tell wether x and y show direct variation,inverse variation or neither... (answered by stanbon)

for writing and interpreting direct variation problem: if y= -4 when x=(1/2), find y (answered by stanbon)

The values are in direct variation. Find the missing value. (3, 2) and (6, y)... (answered by ewatrrr)

Direction:Tell whether the equation represents a direct variationor Inverse variation.... (answered by josgarithmetic)

"Tell whether this equation represents a direct variation. If so, identify the constant... (answered by rothauserc)

Direct variation: true or false If you triple an x-value of a direct variation, the... (answered by funmath)

Tell whether the relationship between x and y is an inverse variation, If it is, Write an (answered by jim_thompson5910)