122 Videos for "systems of equations"

Area With the Cross Product  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that the magnitude of the cross product of two vectors gives the area of the parallelogram determined by those two vectors. 
Area With the Cross Product  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle in the xyplane using vectors formed from two of its sides. 
3x3 Determinants  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to determine the effect of a row's common factor on the value of a determinant. 
Invertible Square Matrices and Determinants  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that a 3x3 matrix is not invertible by computing its determinant. 
Rectangular Coordinate System  Problem 3
Math › Algebra 2 › Graphs of Linear Equations
How to solve for a variable given a point that lies on the line. 
Rectangular Coordinate System  Problem 2
Math › Algebra 2 › Graphs of Linear Equations
How to find x and y intercepts. 
Rectangular Coordinate System  Problem 1
Math › Algebra 2 › Graphs of Linear Equations
How to find a point on a line. 
Introduction to the 3D Coordinate System  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to find the coordinates of the vertices of a rectangular box. 
Introduction to the 3D Coordinate System  Concept
Math › Precalculus › Vectors and Parametric Equations
How to define the components and length of a position vector in three dimensions. 
Introduction to the 3D Coordinate System  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to find the components of a vector from point A to point B in threedimensions, and how to find its length. 
Using the Calculator  Problem 2
Math › Algebra 2 › Additional Topics
How to use the calculator to solve a system of equations. 
Using the Calculator  Problem 3
Math › Algebra 2 › Additional Topics
How to use the calculator to solve a system of linear equations using an augmented matrix. 
Set Operation: Intersection  Problem 3
Math › Precalculus › Linear Equations and Inequalities
How to solve an intersection of two inequalities where the inequalities do not overlap. 
Set Operation: Intersection  Problem 1
Math › Precalculus › Linear Equations and Inequalities
How to solve an intersection or inequalities where the inequalities overlap and go in different directions. 
Set Operation: Union  Problem 3
Math › Precalculus › Linear Equations and Inequalities
How to solve a union of two inequalities that do not overlap. 
Set Operation: Union  Problem 1
Math › Precalculus › Linear Equations and Inequalities
How to solve a union of two inequalities where the inequalities overlap and go in different directions. 
Set Operation: Union  Problem 2
Math › Precalculus › Linear Equations and Inequalities
How to solve a union of two inequalities where the inequalities overlap and go in the same direction. 
Set Operation: Intersection  Problem 2
Math › Precalculus › Linear Equations and Inequalities
How to solve an intersection of two inequalities where the inequalities overlap and go in the same direction. 
Augmented Matrices  Concept
Math › Algebra 2 › Matrices
How to use matrices to solve a system of linear equations. 
Augmented Matrices  Problem 2
Math › Algebra 2 › Matrices
How to solve a system of linear equations using an augmented matrix that yields no solution.