Matric

What is a matrix with the same number of rows as columns?

• square

• monkey

• full set

• equivalent

What do m, n, p and q equal in this scalar matrix multiplication?

• m=8, n=9, p=-4, q=4 

• m=15, n = -45, p=20, q=-5

• m=20, n=-5, p=15, q=-45

• m=-5, n=20, p=-45, q=15

• A
• B
• C
• D

Calculate the Determinant

• det = -45

• det = 109

• det = 45

• det = -109

How would a scalar multiplication be carried out for a matrix?

• Add the Scalar to every element in the matrix

• Dot product the rows of one matrix with the columns of the other matrix

• Multiply every element with the scalar to create a new matrix

• subtract the elements in the first matrix from the elements of the second matrix

Choose TWO correct properties of Transpose Matrix

• (A^T)^T= A

• (AB)^T = B^TA^T

• (AB)^T = A^TB^T

• (A^T)^T= A^2T

If A is a 2 × 3 matrix, and B is a 3 × 4 matrix, how many columns does AB have?

• 2

• 3

• 4

• AB is not defined

What are the dimensions of the matrix associated with this table?

• 3 x 4

• 4 x 4

• 4 x 3

• 4 x 5

The following matric represents the clothing inventory of a school bookstore. How many large sweaters does the bookstore have in stock?

• 285

• 65

• 550

• 175