7th grade next test review

Front

Write an algebraic rule for a transformation on the coordinate grid that does NOT preserve congruence.

Back

(x, y) → (2x, 2y)

Front

Back

Front

In similar triangles, what is true about the angles?

Back

The corresponding angles are congruent.

Front

Which rule best represents this transformation? Options: (x, y) → (1/2x, 1/2y), (x, y) → (3x - 5, 3y - 5), (x, y) → (x, 5/2y), (x, y) → (2x, 2y)

Back

(x, y) → (2x, 2y)

Front

Back

The side lengths of Trapezoid E'F'G'H' are 1/3 times the corresponding side lengths of Trapezoid EFGH.

Front

ΔFAR is similar to ΔTIP. Which sides correspond?

Back

AR and IP

Front

In similar triangles ΔFAR and ΔTIP, what is the relationship between the lengths of the corresponding sides?

Back

The side lengths are proportional.

Front

A scale model of an aircraft carrier uses a scale in which 1 inch represents 500 feet. If the beam of the actual aircraft carrier is 200 feet, what is the length of the beam on the scale model in inches?

Back

0.4 inches

Front

Back

1/2

Front

Back

1/4