# Ll CSET 110 - Matrices Domain Mc

8 Questions | Total Attempts: 32

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• 1.
The first night of a carnival a total of 315 adults, students, and kids buy tickets. The prices for adult, student and kid tickets are \$10, \$8 and \$5, respectively and \$2110 of tickets were sold the first night. Twice as many students and kids attended the second night and 450 tickets were bought. Which of the following matrix equations can be used to represent the above situation?
• A.
• B.
• C.
• D.
• 2.
Find the value of p such that the system of equations does not have a unique solution.
• A.

-6

• B.

-5

• C.

5

• D.

6

• 3.
In order for system of equations to have at least one solution, which of the following must be true?
• A.
• B.
• C.
• D.
• 4.
Assume [M] is a 3x2 matrix, [A] is a 3x3 matrix, [B] is a 3x2 matrix, [C] is a 2x4 matrix, and [D] is a 5x2 matrix. Which of the following exists?
• A.

[M][A]

• B.

[M][B]

• C.

[M][C]

• D.

[M][D]

• 5.
Assume [M] is a 3x2 matrix, [A] is a 3x3 matrix, [B] is a 3x2 matrix, [C] is a 2x4 matrix, and [D] is a 5x2 matrix. Which of the following exists?
• A.

[A][M]

• B.

[B][M]

• C.

[C][M]

• D.

[D][M]

• 6.
Assume [E] is a 3x2 matrix and [F] is a 4x2 matrix. In order for [E][M][F] to exist, what must be the dimensions of M?
• A.

2x2

• B.

2x4

• C.

4x3

• D.

3x4

• 7.
Assume [E] is a 3x2 matrix and [F] is a 4x2 matrix. In order for [F][M][E]to exist, what must be the dimensions of M?
• A.

2x2

• B.

2x3

• C.

3x2

• D.

2x4

• 8.
• A.

[A][B]

• B.

[B][A]

• C.

[C][B]

• D.

[B][B]