12th GradeMenu1Add and Subtract Matrices: The Dimension RuleActivity Set 12How do you find the inverse of a matrix?Activity Set 13How to multiply matrices of appropriate dimensions?Activity Set 14What are the zero and identity matrices?Activity Set 15How do you multiply matrices by scalars?Activity Set 16How do you multiply a matrix by a vector?7Why is matrix multiplication not commutative?Activity Set 18How can you use matrices to represent and manipulate data?Activity Set 19How to Represent a System of Linear Equations as a Matrix EquationActivity Set 110How 2×2 matrices transform shapes and scale areaActivity Set 1Determine what effect the given 2-by-2 matrix has on a shape on the coordinate plane:Given the matrix A=[0−110], what does this matrix do to a shape on the plane?Both scales and transforms shapeScales area onlyCollapses the structure (area zero)Transforms shape only (area preserved)CheckResetContinue11How to Use an Inverse Matrix to Solve Linear Equations?Activity Set 112How do you calculate the expected value of a random variable?
Determine what effect the given 2-by-2 matrix has on a shape on the coordinate plane:Given the matrix A=[0−110], what does this matrix do to a shape on the plane?Both scales and transforms shapeScales area onlyCollapses the structure (area zero)Transforms shape only (area preserved)CheckResetContinue
