This question tests your ability to express one variable in terms of the other. Level of difficutly easy.

If x = 2k – 2 and y = 4k^2, then what is y in terms of x?

1. x + 2

2. ((x + 2)^2)/2

3. (x + 2)^2

4. x^2 + 4

5. (x + 4)^2

If x = 2k – 2 and y = 4k^2, then what is y in terms of x?

1. x + 2

2. ((x + 2)^2)/2

3. (x + 2)^2

4. x^2 + 4

5. (x + 4)^2

## 2 comments:

k=((x+2)/2)

y=4((x+2)/2)^2

=(x+2)^2

y=(x+2)^2

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