### Home > GB8I > Chapter 7 Unit 8 > Lesson INT1: 7.1.4 > Problem7-51

7-51.

Multiple Choice: The point $A(–2, 5)$ is rotated $90º$ counterclockwise ($↺$) about the origin. What are the new coordinates of point $A′$?

1. $(2, 5)$

1. $(5, –2)$

1. $(2, –5)$

1. $(–5, –2)$

When you rotate counterclockwise $(x, y) → (−y, x)$.

(d)

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