Matrix Operations Test

What must be true in order to ADD two matrices?

• They must be square.
• The dimensions must be equal.
• The determinant can't equal 0.
• The column of the 1st must equal the row of the 2nd.

Tags

CCSS.HSN.VM.C.8

What must be true in order to MULTIPLY two matrices?

• They must be square.

• Their dimensions must be equal.

• The number of columns of the 1st must equal the number of rows of the second.

• The number of rows of the 1st must equal the number of columns of the second.

Tags

CCSS.HSN.VM.C.8

Which set of simultaneous equations is generated by the matrix equation above?

• 
• 
• 
• 

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.C.8

Using determinants, find the area of the triangle with vertices (4, 6), (10, 8), and (8, 2).

Tags

CCSS.HSG.GPE.B.7

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

Tags

CCSS.HSN.VM.C.6

CCSS.HSN.VM.C.8

Evaluate the determinant of the matrix.

• -21
• 0
• 9
• 12

Identify

• singular matrix
• partial fraction
• coeffecient matrix
• inverse matrix

Tags

CCSS.HSA.REI.C.9

Cows can

• go down stairs, but not up

• go up stairs, but not down stairs

• go up and down stairs

Subtract

• -5
  -8
  3
  10
• -9
  8
  3
  2
• 5
  -8
  3
  10
• -5
  8
  3
  2

Multiply

• 20     15    -10
  30     -5         0
• -20      15     -10
  30     -5          0
• 1        8       3
  11     4        5
• 20     -15     10
  -30         5        0  

Tags

CCSS.HSN.VM.C.8