Transformation Review

Front

What is the algebraic rule for transformations?

Back

The algebraic rule describes how to change the coordinates of a shape during a transformation, such as translation, rotation, or reflection.

Front

If point A(3, 5) is rotated 90° counterclockwise about the origin, what are the coordinates of A'?

Back

A'(-5, 3)

Front

What does a translation do to an image?

Back

A translation slides the image to a new position without changing its shape or orientation.

Front

What is a scale factor in transformations?

Back

A scale factor is a number that scales, or multiplies, the dimensions of a shape during dilation.

Front

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

Back

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

Front

What is the result of reflecting the point (4, -2) across the x-axis?

Back

The result is (4, 2).

Front

What is the effect of a 180° rotation about the origin on the point (x, y)?

Back

The new coordinates will be (-x, -y).

Front

How do you perform a translation of a point (x, y) by (a, b)?

Back

Add a to x and b to y: (x + a, y + b).

Front

What is the difference between rotation and reflection?

Back

Rotation turns a shape around a point, while reflection flips it over a line.

Front

What is the coordinate of point B(2, 3) after a translation of (3, -1)?

Back

The new coordinates are (5, 2).