System of Equations with 3 Variables (Matrices)

Find the determinant of the matrix

• A
• B
• C
• D

Tags

CCSS.HSN.VM.C.12

Calculate the determinant

• 0
• -15
• -70
• 10

Tags

CCSS.HSN.VM.C.12

What is the inverse of the following matrix?

⌈4 −3⌉

⌊12 3⌋

• ⌈1/16 1/16⌉

  ⌊-1/4 1/12⌋

• ⌈4/48 -3/48⌉

  ⌊12/48 3/48⌋

• ⌈2/24 −3/48⌉

  ⌊-6/48 3/48⌋

• ⌈3/48 3/48⌉

  ⌊-12/48 4/48⌋

Find the inverse.

• A

• B

• C

• D

Tags

CCSS.HSA.REI.C.9

Solve the system of equations.

-2x+6y= 16

-4x-3y= 2

• (2,2)

• (-2, -2)

• (-2,2)

• (2,1)

Solve:
y = 7x + 9
2y + 2x = -18

• (5, 0)
• (9, 18)
• (-2, -5)
• (1, 16)

Tags

CCSS.HSA.REI.C.6

Solve the system of equations to find the value of y.

• -2

• 3

• -3

• 2

Solve the system of equations to find the value of z.

• 4

• -4

• 2

• -2

Solve the system of equations to find the value of x.

• -3

• -2

• 2

• -4

Solve the system.

• (5, -6, 3)

• (2, 3, -1)

• (-4, 2, 5)

• No Solution