Translations and Reflections

Front

What is the arrow notation for a translation 6 units right and 5 units up?

Back

(x, y) --> (x + 6, y + 5)

Front

What is the result of reflecting the point G(6, -3) over the x-axis?

Back

G'(6, 3)

Front

If triangle ∆QRS with points Q(4, 2), R(5, 1), S(3, 7) is reflected across the y-axis, where will S' be?

Back

S'(-3, 7)

Front

What is the arrow notation for a reflection over the x-axis?

Back

(x, y) --> (x, -y)

Front

What is the term for the original shape before a transformation?

Back

pre-image

Front

What is the arrow notation for a translation 4 units left and 3 units down?

Back

(x, y) --> (x - 4, y - 3)

Front

What happens to the coordinates of a point when it is reflected over the y-axis?

Back

The x-coordinate changes sign: (x, y) --> (-x, y)

Front

What is the result of reflecting the point A(-2, 5) over the x-axis?

Back

A'(-2, -5)

Front

What is the result of reflecting the point B(3, -4) over the y-axis?

Back

B'(-3, -4)

Front

What is the arrow notation for a translation 2 units down?

Back

(x, y) --> (x, y - 2)