What is a transformation?
Changing a shape for another shape
Techniques that change the size or position of a shape
Two shapes that are exactly identical to one another
What is the equation of the mirror line between the two shapes?
x = -1
y = -1
y = -1x
What is the name of the transformation that goes from shape PQR to P'Q'R'?
Reflection
Translation
Rotation
What is the name of the transformation that takes shape PQR to P'Q'R'?
Enlargement
What is the name of the transformation that takes shape ABC to A'B'C'?
What is the scale factor of enlargement from triangle A to triangle B?
6
\[\frac{5}{3}\]
\[\frac{3}{5}\]
What is the transformation from Q to Q'?
Enlargement of scale factor 3 from (-4,-5)
Enlargement scale factor \(\frac{1}{3}\) from (-4,-5)
Enlargement of scale factor 3 from point (-5,-4)
What is the transformation from T to T'?
Rotation 90˚ through (0,0)
Reflection through y = -x
Reflection through y = x
What is meant by similarity?
Shapes that are exactly identical to one another - side lengths and angles are equal
One shape that is a proportional enlargement of another
Two shapes that look alike
What is meant by congruent shapes?