This video explains how to perform substitution to determine if a given value is a solution to a basic linear equation in one variable.

# determine

# Determine if Equations Are Linear or Exponential and Increasing or Decreasing

This video explains how to identify linear and exponential equation as well as determine if the behavior is increasing or decreasing.

# Write an Exponential Equation to Model an Account Balance Over Years

This video explains how to write an exponential decay equation to model an investment account that increases by a percent each year.

# Write an Exponential Equation to Model Wage Percent Increase over Years

This video explains how to write an exponential decay equation to model a wage that increases by a percent each year.

# Write an Exponential Equation that Models a Decreasing Population (Fox)

This video explains how to write an exponential decay equation to model a declining population.

# Determine the Initial Value and Percent Rate of Change from an Exponential Equation

This video explains how to determine the initial value and growth or decay rate from an exponential equation.

# Determine if Two Linear Functions Are Inverses (2)

This video explains how to determine if two linear functions are inverses of one another. The results are checked graphically.