Question

Write the roster form of D = {x:x is an integer , x²=4

Answer 1

Answer: 2

Step-by-step explanation:

Because 2^2 is 4 and 2 is also an integer.

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Answer 2

Answer:

2 , -2

Step-by-step explanation:

(2)²= 4

(-2)²= 4

4

this is the answer