8
QuizMultiple Choice
Cramer's Rule — Unit test
Question 8 • Precalculus
Each column of the matrix represents a vertex of a rectangle on the coordinate plane. If Fan scales the rectangle by finding 4A, what are the vertices of the scaled rectangle?
Answer
A
(4, 4), (24, 4), (24, 20), (4, 20)B
(5, 5), (10, 5), (10, 9), (5, 9)C
(4, 4), (6, 1), (6, 5), (1, 5)D
(5, 5), (6, 1), (6, 5), (4, 20)