Linear Systems Matrices

Solve the system of equations.

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

Solve the system of equations:

-12x - 4y= -8   

-6x - 2y= -4

• no solution 

• (0,0)

• infinite solutions 

• (4,0)

Tags

CCSS.8.EE.C.8B

Solve the system of equations:

-4x - 6y = 6

4x + 6y = -4

• no solution

• (2,0)

• (-4,0)

• (0,0)

• Infinite solutions

Tags

CCSS.8.EE.C.8B

The school that Nick goes to is selling tickets to their annual talent show. On the first day of ticket sales, they sold 12 adult tickets and 15 children tickets and made $132. On the second day of ticket sales, they sold 8 adult tickets and 11 children tickets for $92. Let x = cost of adult tickets Let y = cost of children tickets Write a system of linear equations.

Tags

CCSS.8.EE.C.8C

Solve the system of equations using a matrix technique and your GC

• ( 4, 0, -2)

• ( -4, -2, 0)

• None of these

• ( -4, 0, -2)

Tags

CCSS.HSA.REI.C.9

• a

• b

• c

• d

Tags

CCSS.HSA.REI.C.9

Solve the linear systems together by using the values of b for two separate systems, then reducing an appropriate augmented matrix to reduced row echelon form. Write your answer as (x1, x2), (x1, x2) form.

Tags

CCSS.8.EE.C.8B

• a

• b

• c

• d

Tags

CCSS.HSA.REI.C.8

• 
• 
• 
• 

Tags

CCSS.HSN.VM.C.11

Solve the system by inverting the coefficient matrix and using (A^-1)(x)=b. Enter your answer as (x1, x2) format.

Tags

CCSS.HSA.REI.C.9