Determinants - West Branch High School · Determinants Associated with ... (aei + bfg + cd") —...

7
AlgII.10.27.15(section 4.3).notebook October 27, 2015 Determinants Associated with each square matrix is a real number called its determinant The determinant of matrix A is denoted by det A or by |A| Tuesday 102715 p.214 section 4.3

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

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)

AlgII.10.27.15(section 4.3).notebook October 27, 2015

HW #29