Strategies Review(Semester Test 2024)

Front

What is the result of reflecting a point (X, Y) over the Y-axis?

Back

The result is (-X, Y).

Front

What is the result of rotating a point (X, Y) 90 degrees clockwise?

Back

The result is (-Y, X).

Front

What is the result of rotating a point (X, Y) 270 degrees counterclockwise?

Back

The result is (Y, -X).

Front

What is the formula for direct variation?

Back

The formula is y = kx, where k is a constant.

Front

What does it mean for two triangles to be proportional?

Back

It means that the corresponding sides of the triangles are in the same ratio.

Front

What is the formula to find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Front

What is the definition of a reflection in geometry?

Back

A reflection is a transformation that flips a figure over a line, creating a mirror image.

Front

What is the definition of rotation in geometry?

Back

A rotation is a transformation that turns a figure around a fixed point.

Front

What is the relationship between the angles of similar triangles?

Back

The corresponding angles of similar triangles are equal.

Front

What is the definition of congruent triangles?

Back

Congruent triangles are triangles that are identical in shape and size.