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QUESTION
Determine whether y varies directly with x. If so, find the constant of variation and write the equation. x | y -2 | -4 -4 | -8 -16 | -32 a. No b. yes; k=-2 and y=-2x c. yes; k=1/2 and y=1/2x d. yes;
Determine whether y varies directly with x. If so, find the constant of variation and write the equation.
x | y
-2 | -4
-4 | -8
-16 | -32
a. No
b. yes; k=-2 and y=-2x
c. yes; k=1/2 and y=1/2x
d. yes; k=2 and y=2x
