Question

Which line represents the axis of symmetry?

A) 
y = 0

B) 
x = 2

C) 
x = 3

D) 
y = –1

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Answer 1

C.

x=3

Notice how the line is reflected at a vertical line (not shown) at (3, 0)

Therefore x=3 since that is the line where the reflection occurs.

Explanation: