This video explains how to solve a system of linear equations by writing an augmented matrix in reduced row echelon form using the Desmos matrix calculator. |
Solve a 2×2 System Using an Augmented Matrix (RREF on Desmos Matrix Calc)
This video explains how to solve a system of linear equations by writing an augmented matrix in reduced row echelon form using the Desmos matrix calculator. |
Solve a Trig Equation in Quadratic Form Using the Quadratic Formula (Cosine, 4 Solutions)
This video shows how to solve a trigonometric equation in quadratic form using the quadratic formula. |
Solve a Trig Equation in Quadratic Form Using the Quadratic Formula (Cosine, 2 Solutions)
This video shows how to solve a trigonometric equation in quadratic form using the quadratic formula. |
Writing a Linear Inequality of Two Variables from a Graph
This video explains how to write a linear inequality in two variables from the graph of the solution. |
Determining Solutions to Linear Inequalities of Two Variables from a Graph
This video explains how to determine if an ordered pair is a solution to a linear inequality in two variables from the graph of the solution. |
Ordered Pair Solutions to Linear Inequalities of Two Variables
This video explains how to check to see if an ordered pair is a solution to a linear inequality in two variables. |
Determine a Sample Size for a Proportion Confidence Interval Using Desmos
This video explains how to use Desmos to determine a sample size given a proportion confidence interval. |
Determine a Proportion Confidence Interval Using Desmos
The video explains how to use Desmos to determine a proportion confidence interval. |
Determine a Mean Confidence Interval From Data Using Desmos (t-distribution)
The video explains how to use Desmos to determine a mean confidence interval from data. |