Question

y varies directly with x, and y is 16 when x is 32. Which equation represents this
situation?
O y = 32x
O y= 2x
O y=16x
O y = 1/2x

Answer 1

Y = 1/2x

32/2=16=32•1/2

Answer 2

The equation that represents the information will be y = 1/2x

From the information given, y varies directly with x, and y is 16 when x is 32. Therefore, this will be:

y = kx

16 = 32k

k = 16/32

k = 1/2

Therefore, based on the calculation above, the equation that represents the information will be y = 1/2x

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