Back to Define transformations formally — Problem 3 · Task Set 4

Exercises: Define Transformations Formally

Work through each section in order. For problems asking you to state or explain definitions, use precise geometric vocabulary — no coordinates unless specifically requested.

Grade 9·20 problems·~30 min·Common Core Math - HS Geometry·standard·hsg-co-a-4

Work through problems with immediate feedback

Warm-Up: Review What You Know

These problems review geometric vocabulary from earlier lessons.

According to the CO.A.1 definition, a circle centered at point $O$ with radius $r$ is the set of all points in the plane that satisfy which condition?

All points whose $x$ -coordinate equals $r$ .

All points that form a right angle at O.

All points at distance exactly $r$ from $O$ .

All points that can be connected to O by a straight line.