1.	A(n) _____ is a transformation that occurs when a figure is moved from one location to another.
		A.	dilation	B.	translation
		C.	addition	D.	enlargement
		Hint
	2.	Find
		A.		B.
		C.		D.
		Hint
	3.	Triangle PQR with vertices P(-8, 9), Q(-3, -1), and R(2, 5) is translated so that P' is at (-12, 0). Find the translation matrix.
		A.		B.
		C.		D.
		Hint
	4.	Which product is not defined?
		A.	[11 4 -3]
		B.
		C.	[16 12 5]
		D.
		Hint
	5.	For the determinant , which is the minor of -4?
		A.		B.
		C.		D.
		Hint
	6.	Evaluate using diagonals.
		A.	37	B.	33
		C.	107	D.	21
		Hint
	7.	Determine which matrix is the 3 × 3 identity matrix.
		A.		B.
		C.		D.
		Hint
	8.	Write the matrix equation as a system of linear equations.
		A.	-2s + t = 12 5s + 8t = 7	B.	-2s + t = 7 5s + 8t = 12
		C.	-2s + 5t = 7 s + 8t = 12	D.	-2s = 7 5t = 12
		Hint
	9.	Solve using inverse matrices.
		A.	(4, 4)	B.	(-4, 4)
		C.	(4, -4)	D.	(-4, 0)
		Hint
	10.	What are the dimensions of matrix A if
		A.	4 × 4	B.	4 × 3
		C.	3 × 4	D.	3 × 3
		Hint
	11.	What is always true of an n × n matrix?
		A.	It is a row matrix.	B.	It has at least two rows and two columns.
		C.	It is a square matrix.	D.	It is a column matrix.
		Hint
	12.	Find A – B if and
		A.		B.
		C.		D.
		Hint
	13.	Given that and use the fact that to find AB + AC.
		A.		B.
		C.		D.
		Hint
	14.	Solve the system –2x – 4y = 7, 3x + 5y = 9.
		A.		B.
		C.	(71, –39)	D.
		Hint
	15.	Which of the following cannot be true concerning Cramer's Rule for two variables?
		A.		B.
		C.		D.
		Hint
	16.	Determine whether the pair of matrices are inverses.
		A.	yes, because each entry in the second matrix is the reciprocal of its corresponding entry in the first matrix
		B.	no, because fractions cannot be a part of an inverse
		C.	yes, because A · B = I
		D.	no, because A · B I
		Hint