1. 9-1 Reflections Vocab Reflection: A transformation that flips a shape
Line of reflection: The line over which the reflection is performed

2. Reflections Over A Line
Ex 1: Reflect A (0,3) B (-2, -1) C (-6,1) over the line x = -4
Ex 2: Now reflect it over y = 2

3. Reflections Over an Axis
If you reflect over the x axis, change the sign of y
If you reflect over the y axis, change the sign of x
Ex 3: Reflect △DEF with D(–2, –1), E(–1, 3), F(3, –1) in the x-axis
Ex 4: ABCD with A(1, 4), B(3, 2), C(2, –2), D(–3, 1) in the y-axis

4. Classwork/Homework
P , even