Sal solves a complex determinant problem from the 2010 IIT entrance test. Knowledge of determinants, the exponential form of complex numbers, trigonometric ratios, and algebraic thinking are all utilized here.

A TI-nspire lesson to find determinants of matrices using calculators. The class follows along in this step by step activity to explore operations on matrices. They will mostly be multiplying and at the end of the lesson they are guided...

Perform operations to add, subtract, multiply and divide matrices. Then solve problems with vectors using matrices. A three day lesson: Matrix Madness, Mystical Matrices, and Decode the Encode. The last lesson has prizes that the class...

Learners investigate matrices by exploring addition, subtraction and multiplication of matrices.  Students find the determinant and inverse of a matrix.  The lesson includes a set of practice problems

Your economists will relate to the choices at hand in this personal budgeting scenario. A passage describes Bob's predicament: he's going away to college and must buy his own clothes, including the pricey Levis he wants to buy 8 of....

In this solving systems and determinants worksheet, young scholars solve 4 multi-part short answer problems. Students solving systems of equations using matrices. Young scholars find a basis for row spaces and column spaces. Students...

High schoolers calculate the determinant. In this algebra lesson, students find the determinant and use to calculate the area of a triangle. They calculate the area of a quadrilateral in a plane.

In this matrices worksheet, students solve 4 multi-step matrices problems.  Students multiply matrices, find the determinant, inverse matrices, etc.

In this algebra worksheet, students solve systems of equations.  They evaluate matrix problems and identify the determinant.  This two-page worksheet contains 13 problems.

Students determine eigenvectors and eigenvalues for a matrix. Students diagonalize a matrix. Similar matrices are defined. Determinant formula is given for an degree n polynomial.

In this matrices instructional activity, students find the value of 14 2x2 matrices. They evaluate one addition of matrices problem. Students give an example of a 2x2 matrix with a given determinant.

Young mathematicians represent a triangle with a matrix and use the determinant to find the area of three given triangles. Learners also verify the formula for area of a triangle. 

In this determinants instructional activity, students solve and complete 12 different types of problems. First, they evaluate the determinant in each matrix illustrated. Then, students determine the value of x that makes the determinant...

In this Cramer's rule worksheet, students solve 4 problems in which they find the determinant. They then solve 8 more problems in which they use Cramer's Rule to solve each system of equations.

In this Cramer's Rule activity, students use Cramer's Rule to solve system of equations. They identify the value of each given determinant. This one-page activity contains ten multi-step problems.

In this Cramer's Rule worksheet, students first evaluate five determinants or square matrix. Then they solve the last five problems by applying Cramer's Rule. Students identify and define Cramer's Rule as a theorem used with linear...

In this computing determinants worksheet, students explore methods of computing determinants. They complete determinant problems by using the co-factor method, the "big formula" and the use of product of the pivots. This two-page...

In this determinant worksheet, students find the properties of determinant and explain the reasoning for each answer. This two-page worksheet contains five problems.

In this determinant worksheet, students find the determinants of matrices. They identify patterns and their relationship to the canonical matrix. This two-page worksheet contains approximately nine problems, as well as examples and...

In this determinant worksheet, students explore determinants, area and volume. This two-page worksheet contains explanations and examples. It provides two problems for students to solve.

In this determinant worksheet, students explore the determinant of a matrix. After examining the given examples and explanations, they find the determinants of given matrices. This two-page worksheet contains nine problems.

In this determinant worksheet, students explore the properties of the determinant. They compute determinants by using the co-factor method, the "big formula" and the product of pivots. This two-page worksheet contains explanations,...

In this math worksheet, students practice reviewing the different method to find the inverse for a matrix. They compute the determinant of a matrix.

Eleventh graders study how to combine like vector's that are matrices. In this matrix operations worksheet, 11th graders combine matrices linearly and define the matrix-matrix product and its properties. Students also study matrix...