Matrices Unit Test

Find the determinant of the matrix.

Find a value for x that makes matrix A singular.

Find a value for x such that the matrix is equal to its own inverse.

Use a determinant to determine whether the points stated are collinear.

• Collinear

• Non-Collinear

find: B*A

• 47     30
  9     5

• 17     15
  42     35

• 10     25
  7     1

• not possible because rows do not match columns

Use Cramer's Rule to solve the system.

Type the SUM of y and z.

• 2

• 7

• 4

• -3

• -5

• 5

• 0

• 2

• 2x3

• 3x2

• 3x4

• 4x3