System of 2 Equations: Matrices

Find the determinant of the matrix

• 42

• -42

• 22

• -22

Calculate the determinant

• 0
• -15
• -70
• 10

What is the inverse of the 2x2 matrix?

• 
• 
• 
• 

Find the inverse.

• A

• B

• C

• D

Tags

CCSS.HSA.REI.C.9

• a

• b

• c

• d

• a

• b

• c

• d

• 
• 
• 
• 

Solve for x:

x - y = - 6

x + y = 8

• -1

• 7

• 1

• 8

Solve the system for the value of x.

5x + 8y = -12

3x + 5y = -7

• 1

• -1

• -4

• No solution

Solve for y:

2x + y = 12

-3x + y = 2

• -2

• 8

• -8

• 2