10
practice examMultiple Choice

Practice Exam

Question 10 • Algebraic Reasoning

The vertices of a triangle are given in the columns of the matrix cap t is equal to the 2 by 3 matrix row 1, 0 4 0 row 2, 0 0 5 If the 2 by 2 matrix, row 1, column 1, negative 1 column 2, 0 row 2, column 1, 0 column 2, negative 1 times cap t is found to perform a transformation, what are the coordinates of the transformed triangle?

Answer
A
(0, 0), (4, 0), (0, 5).
B
open paren 0 comma 0 close paren comma open paren negative 4 comma 0 close paren comma open paren 0 comma negative 5 close paren
C
(0, 0), (4, 0), (0,−5).
D
open paren 0 comma 0 close paren comma open paren negative 4 comma 0 close paren comma open paren 0 comma 5 close paren
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The vertices of a triangle are given in the…