Transcript Algebra I Remediation

Objective 1b
Use matrices to solve mathematical situations
and contextual problems. (DOK 2)
Understand the
Following:
 What is a matrix?
 How to solve word problems
 How to: Add matrices, Subtract
matrices, Perform Scalar
Multiplication
3. The matrices below show the different numbers of students
who participated in three of the sports at two high schools.
Which of the following correctly represents the sum of the numbers of
students who participated in the three sports at these two high schools?
MSATP Alg I, Test 1, 1b
15.
Matrix B is the result when matrix A is
multiplied by a scalar.
MSATP Alg I, Test 1, 1b
MSATP Alg I, Test 1, 1b
43. What values of x, y, z, and w make this matrix
equation true?
MSATP Alg I, Test 1, 1b
6. Matrices A and B are shown below.
MSATP, Alg I, Test 2, 1b
36.
Andrew plans to buy 3 T-shirts and 3 sweaters. The price in dollars,
including tax, of each T-shirt and sweater is shown in matrix C. The store
is offering a 15% discount on all the items.
Andrew determined the sale price of each item as shown in the matrix
below.
Which operation justifies the sale price of each item he plans to buy?
MSATP, Alg I, Test 2,1b
24 Matrix R is shown below.
Which matrix represents -6R?
MSATP Alg I, Test 3, 1B