Determine whether the matrices are multiplicative inverses.

• Yes
• No
• Elevator
• Pi

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CCSS.HSA.REI.C.9

CCSS.HSN.VM.C.8

CCSS.HSN.VM.C.9

Determine whether the matrices are multiplicative inverses.

• Yes
• No
• Workout
• Valut-Tech

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CCSS.HSA.REI.C.9

A __________ matrix is a matrix with rows = columns.

• Same

• Equal

• Big

• Square

Select the square matrices

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• 
• 
• 

Tags

CCSS.HSA.REI.C.9

CCSS.HSN.VM.C.9

What is A^-1?

• 
• 
• 
• 

Tags

CCSS.HSA.REI.C.9

Solve the system.  Write the matrix equation on your own paper.
-5x + 5y = -10
-7x + 4y = 13

• (-7, -5)
• (-7, -9)
• (7, -9)
• (-7, 5)

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CCSS.HSA.REI.C.9

Solve the system using matrices
x + 2y = 2
5x - 6y = - 54

• (-6, 4)
• (-8, 4)
• (8, 4)
• (6, 4)

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CCSS.HSA.REI.C.9

Solve the system using matrices
3x - 8x = 32
x + y = 7

• (-8, 1)
• (8, -1)
• (-1,8)
• (1, -8)

Tags

CCSS.HSA.REI.C.9

Solve the system using matrices
x + 7y = - 21
9x + 7y = 35

• (7, -4)
• (-4, 7)
• (7, 4)
• (-4, -7)

Tags

CCSS.HSA.REI.C.9