Matrices

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

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Tags

CCSS.HSN.VM.C.8

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Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

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If 𝐴 is a 2 × 3 matrix and 𝐵 is a 3 × 2 matrix, can you add the matrices 𝐴 and 𝐵?

• Yes

• No

Tags

CCSS.HSN.VM.C.8

• 𝑥=18, 𝑦=4, 𝑧=21, 𝑎=−1, 𝑏=3

• 𝑥=18, 𝑦=4, 𝑧=−21, 𝑎=−11, 𝑏=3

• 𝑥=18, 𝑦=−4, 𝑧=21, 𝑎=11, 𝑏=3

• 𝑥=18, 𝑦=4, 𝑧=21, 𝑎=11, 𝑏=7

Tags

CCSS.HSN.VM.C.6

Which sums can NOT be made from the following matrices ?

• A+A

• A+C

• B+D

• C+C

Tags

CCSS.HSN.VM.C.8

The matrix A - B is

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Tags

CCSS.HSN.VM.C.8

Find the value of x and y if

• x=2 , y=5

• x=3, y=3

• x=3, y=5

• x=5, y=3

Tags

CCSS.HSA.REI.C.8

You can multiply a 2X3 matrix by which matrix?

• 2X2
• 2X12
• 3X12
• 2X3

Tags

CCSS.HSN.VM.C.8