Matrices Review

Find  the determinant of B.

• 11
• 1  
• -6    
• 13

Find the determinant of A.

• -35
• 1
• 14
• 10

State whether the linear system has one solution, no solution, or infinitely many solutions.

• One solution
• Infinitely many solutions
• No Solutions
• Cannot be determined

Find the determinant of the matrix

• A
• B
• C
• D

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)

Solving Systems:
Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

State whether the linear system has one solution, no solution, or infinitely many solutions.

• One solution
• Infinitely many solutions
• No Solutions
• Cannot be determined

Systems of 3 Equations:
-x+6y-z=6
2x+y-3z=16
-x+5y+3z=-7

• A (0, -6, 0)
• B (0, 0, -6)
• C (3, 1, -3)
• D (-6, 4, -3)

Tags

CCSS.HSA.REI.C.6

Solve for x and y using Cramer's Rule
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Which system matches the augmented matrix shown?

• 2x+y+2z=2
  3x+5y-z=4
  x-2y-3z=6
• x+y+z=2
  3x-5y-z=4
  x+2y-3x=6
• 2x-2z+y=2
  3x-5y+z=-4
  x-2y-3z=6
• 2x+y+2z=2
  3x-5y-z=4
  x-2y-3z=-6