Determinant Area of Triangle Collinear

• 10

• 0

• 1

• 4

Calculate the determinant

• 0

• none

• -32

• -8

Find the determinant of the following matrix.

• -12

• -10

• 12

• 10

• 1

• 0

• a + b + c

• 3abc

• 8/3

• - 2

• 2

• none of these

Which of the following is correct

• determinants is a square matrix

• determinants is a number associated to a matrix

• determinants is a number associated to a square matrix

• none of these

Find the value of k in order that the points (5, 5), (k, 1) and (10, 7) are collinear.

• k = 5

• k = - 5

• k = 0

• none of these

• 5   -2
  -3    1
• -5   2
  3   -1
• -5   3
  2   -1
• 1   -3
  -2    5