Matrices

What are the dimensions of this matrix?

• 2 x 3

• 3 x 2

• 6 x 1

• 1 x 6

What comes first in the order?

• Row
• Column

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

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

Find A+B

• 
• 
• 

• 
• 
• 
• 

Solve for w, x, y and z.

• w = 13, x = 4, y = 7, z = 23

• w = 13, x = -4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 17

What is a₂₃

• 14

• 4

• 1

• 3

Tags

CCSS.HSA.REI.C.8

Find the product of the two matrices.

• 
• 

Solve the system.

• No Solution
• Infinitely Many Solutions
• (2, -1, 5)
• (3, -2, 1)

Tags

CCSS.HSA.REI.C.6

What must be true about matrix A in order for A to have an inverse?

• |A| = 0

• |A| = 1

• |A| ≠ 0

• |A| ≠ 1