Respuesta :

When a point is reflected, it must be reflected across a line

The coordinate of D' is: (-2,-1)

The coordinates of D are given as:

[tex]\mathbf{D =(-2,1)}[/tex]

The line of reflection is the x-axis

The rule of reflection, across the x-axis is:

[tex]\mathbf{(x,y) \to (x,-y)}[/tex]

So, we have:

[tex]\mathbf{(-2,1) \to (-2,-1)}[/tex]

This means that; the coordinates of D' are:

[tex]\mathbf{D' = (-2,-1)}[/tex]

Read more about reflections at:

https://brainly.com/question/17983440

Answer:

-2 -1

Step-by-step explanation: khan

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