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12th Grade

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Add and Subtract Matrices: The Dimension Rule
Activity Set 1
Inverse of a Matrix
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Multiply Matrices of Appropriate Dimensions?
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Zero and Identity Matrices
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Multiply Matrices by Scalars
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Multiply a Matrix by a Vector
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Matrix Multiplication Not Commutative
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Use Matrices to Represent and Manipulate Data
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Represent a System of Linear Equations as a Matrix Equation
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2×2 Matrices Transform Shapes and Area
Activity Set 1
Use an Inverse Matrix to Solve Linear Equations
Activity Set 1
How do you calculate the expected value of a random variable?
Activity Set 1
What is the Inverse Relationship Between Exponents and Logarithms?
Activity Set 1
Treasure chest
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Determinant of a 2-by-2 Matrix

How Do You Find the Determinant of a 2-by-2 Matrix?

In this video you'll learn how you find the determinant of a 2-by-2 matrix

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    Activity Set 1
    How do You Find the Expected Payoff in a Game of Chance?
    Activity Set 1
    How Can Shape, Center, and Spread Help You Compare Data?
    Activity Set 1
    How do you prove the addition and subtraction formulas for sine?
    How Do You Solve Trigonometric Equations with Inverse Functions?
    How do you prove the addition and subtraction formulas for cosine?
    How do you prove the addition and subtraction formulas for tangent?
    Did This Happen by Chance? How Can We Test for Statistical Significance with Simulations?
    What's the Difference between Correlation and Causation?
    Derivative of Natural Exponential Functions
    Activity Set 1
    How Do You Estimate Population Values Using a Sample Survey?