Determinants - West Branch High School · Determinants Associated with ... (aei + bfg + cd") —...
Transcript of Determinants - West Branch High School · Determinants Associated with ... (aei + bfg + cd") —...
AlgII.10.27.15(section 4.3).notebook October 27, 2015
DeterminantsAssociated with each square matrix is a real
number called its determinant
The determinant of matrix A is denoted bydet A or by |A|
Tuesday 102715 p.214 section 4.3
AlgII.10.27.15(section 4.3).notebook October 27, 2015
Evaluate the determinant of the matrix
Evaluate the determinant of the matrix
AlgII.10.27.15(section 4.3).notebook October 27, 2015
The area of a triangle with vertices (x1,y1),(x2,y2),(x3,y3) is given by
Area = ±½
AlgII.10.27.15(section 4.3).notebook October 27, 2015
Find the area of the triangle with the given vertices
A(3,6)
B(3,0)
C(1,3)
AlgII.10.27.15(section 4.3).notebook October 27, 2015
Find the area of the triangle with the given vertices
A(4,2)
B(3,1)
C(2,2)