Question

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Answer 1

The refection works with the following rule:

`(x,y)\longrightarrow\text{ (x,-y)}`

For instance, point W is at (1,-2), then

`(1,-2)\longrightarrow\text{ W'=(1,-(-2))=(1,2)}`

Similarly, for point Y to Y prime, we have

`Y=(4,-2)\text{ --> Y' =(4,2)}`

and for point X, we obtain

`X=(3,-5)\longrightarrow X^(\prime)=(3,5)`