Solving Systems using Inverse Matrices (Calculator)

Solve the system of equations: 

• ( -2, 3, -3)
• None of these
• ( -2, -3, 3)
• ( -3, 3, -2)

Solve the system of equations: 

• ( -2, 4, 3)
• ( 2, 1, 6)
• No solution
• None of these

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.C.8

CCSS.HSA.REI.C.9

The school that Laura goes to is selling tickets to the annual talent show. On the first day of ticket sales the school sold 4 senior citizen tickets, 2 adult tickets and 5 child tickets for a total of $55. The school took in $67 on the second day by selling 7 senior citizen tickets, 2 adult tickets and 5 child tickets. On the third day the show earned $46 when they sold 2 senior citizen tickets, 4 adult tickets and 2 child tickets. What is the price each of one senior citizen ticket, one adult ticket and one child ticket?

• Adult: $12

  Child: $8

  Senior: $8

• Adult: $6

  Child: $4

  Senior: $5

• Adult: $7

  Child: $5

  Senior: $4

• None of the above.

Solve the system of equations: 

• ( 5, 1, -4)
• (-5, 3, -1)
• None of these
• ( -1, 5, -4)

Tags

CCSS.HSA.REI.C.6

Solve the system of equations: 
 $2x-3y=3z-7$  
 $4z-2x+3y=12$  
 $4y+2z-3x=0$ 

• (2, 4, 5)

• (-2,-4, 5)

• (-2, 4, -4)

• None of these

• (-3, 2)

• (3, 2)

• (-2, 3)

• (2, -3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system

2m + 3n = 6

-m + 2n = 5

• n = 2

• ( 2, -1 )

• ( 2 , 1 )

• ( -1, 2 )

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system

3x - 2y = 2

5x - 5y = 10

• No Solution

• x = -2

• ( 2 , 4 )

• ( -2 , -4 )

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6