What is the image of (4,-7)(4,−7) after a reflection over the line y=xy=x?

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.