Reflections and Translations Review

Front

What is the rule for translating a point 3 units up and 2 units to the right?

Back

(x, y) → (x + 2, y + 3)

Front

How do you find the coordinates of a point K' if K(1, 4) is reflected across the x-axis?

Back

K' = (1, -4)

Front

What happens to the coordinates of a point when it is reflected across the x-axis?

Back

The x-coordinate remains the same, and the y-coordinate changes sign.

Front

In a translation, if a figure is moved left 5 units, what is the translation rule?

Back

(x, y) → (x - 5, y)

Front

What is the relationship between the preimage and image in a translation?

Back

They are congruent.

Front

What is the rule for reflecting a point across the y-axis?

Back

(x, y) → (-x, y)

Front

If a point is translated 4 units down, what is the translation rule?

Back

(x, y) → (x, y - 4)

Front

What is the effect of a translation on the size and shape of a figure?

Back

The size and shape remain unchanged.

Front

If a point K(2, 3) is reflected across the y-axis, what are the coordinates of K'?

Back

K' = (-2, 3)

Front

What is the rule for translating a point 6 units to the right and 2 units up?

Back

(x, y) → (x + 6, y + 2)