A1 Review - A.2(D)

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• A

• B

• C

• D

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A.2D

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• F

• G

• H

• J

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A.2D

The value of y is directly proportional to the value of x.

When x = 3.5, the value of y is 14.

What is the value of y when x = 28?

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• F

• G

• H

• J

Choose the correct answer.

• F

• G

• H

• J

The value of y is directly proportional to the value of x.

If y = 35 when x = 140,

what is the value of y when x = 70?

In an electrical circuit, the voltage across a resistor is directly proportional to the current running through the resistor.

If a current of 12 amps produces 480 volts across a resistor, how many volts would a current of 1.5 amps produce across an identical resistor?