Alg Reason: Systems of Equations

Multiply these matrices.

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• 
• 
• undefined

Tags

CCSS.HSN.VM.C.8

Find the product of the following two matrices.

• 
• 
• Undefined

• [0 -2]

  [-4 1]

Tags

CCSS.HSN.VM.C.8

You can multiply a 6X2 matrix by which matrix?

• 6X2
• 2X12
• 3X12
• 6x3

Tags

CCSS.HSN.VM.C.8

Which of the following matrices can be multiplied?

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• 
• 
• 

Tags

CCSS.HSN.VM.C.8

• A
• B
• C
• D

Tags

CCSS.HSN.VM.C.8

x + 2y = -4
x - 2y = 8

• (2,5)
• (2,-3)
• (2,-2)
• (-3,2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using elimination. 
 4x + 8y = 20
-4x + 2y = -30

• (-7,1)
• (2,-5)
• (-2,5)
• (7,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by elimination.  

−8x − 10y = 20
−8x − 6y = −4 

• Infinite number of solutions  
• (6, 5) 
• (−6, −5) 
• (5, −6) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:
9x-4y=7

x-4y=-17

• (-1,5)
• (-7,5)
• (7,5)
• (3,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is A^-1?

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• 
• 
• 

Tags

CCSS.HSA.REI.C.9