SHAKER HIGH SCHOOL

 

Model Lesson/ Best Practices to Share

Solving Systems of Equations using Inverse Matrix

 

Subject

IRP IV Math

(Business/FACS)

Grades

12

 

 

NY State Standards

  A.A.10  Solve systems of two linear equations in two variables algebraically

 

 

Instructional Focus

1.    Use the inverse matrix of coefficients to solve a system of 2 or 3 linear simultaneous equations.

  1.  Recognize and identity cases where there is no unique solution

 

 

Performance Task

1.  Students will solve given systems by inverse matrices.

Essential Skills

1.    Students should be familiar with basic rules of matrix algebra

2.    Students should be able to evaluate 2x2 and 3x3 determinants

  1. Students should be able to find the inverse of 2 x 2 and 3 x 3 matrices

 

 

Pictures, Tables, Graphs, Videos, Websites, Attachments, Etc.

http://www.maths.soton.ac.uk/~jav/soton/MATH1007/workbook_8/8_2_inv_mtrx_sim_lin_eqnpdf.pdf

 

http://www.mathcentre.co.uk/resources/leaflets/firstaidkits/5_6.pdf

http://www.richland.edu/james/lecture/m116/matrices/inverses.html