SAT College

Suppose y is inversely proportional to x. If y = –8 when x = –2, find y when x = 32

Answers

Answer 1

Answer: 1/2

Explanation:

When y is inversely proportional to x. This implies that:

y = k/x

If y = –8 when x = –2, then the constant of proportionality will be;

y = k/x

-8 = k/-2

k = (-8 × -2)

k = 16

when x = 32, the value of y will be:

y = k/x

y = 16/32

y = 1/2

Related Questions

PLEASE HELP!!! Which sequence of transformations results in figures that are similar but not congruent

A. 90 degrees clockwise rotation, translation 5 units to the left

B. Reflection over the X axis, dilation with a a scale factor of 1/2

C. Translation 3 units down, reflection over the y axis

D. Reflection over the x-axis, translation 7 units to the left

Answers

B. Reflection over the x axis, dilation with a scale factor of 1/2

When you get a question like this, choose the option that includes “dilation.” Dilation changes the size of the shape while keeping similarity.

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Answers

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