Question

1. what transformation is described by the rule (x,y)→( - x,y)? a. reflection over the y - axis b. reflection over the x - axis c. rotation d. translation

Explanation:

In a reflection over the y - axis, the x - coordinate of a point (x, y) changes its sign while the y - coordinate remains the same. The transformation rule (x,y)→( - x,y) represents a reflection over the y - axis. A reflection over the x - axis has the rule (x,y)→(x, - y), rotation and translation have different transformation rules.

Answer:

a. Reflection over the y - axis