This video explains how to find a mark up and retail price given the wholesale price and mark up percent. |

# solve

# Factor By Grouping: Solve Cubic Equations

This video provides two examples of how to solve cubic equation using the technique of factor by grouping

# Determine the Human Age of a Dog And the Dog Age, Given the Human Age

This video uses a logarithmic equation to determine the corresponding human age of a dog age and a dog age given the human age.

# Find the Zeros of a Cubic Function Using Factor by Grouping (1 rational, 2 complex)

This video explains how to use factor by grouping to determine the zeros of a cubic function.

# Find the Zeros of a Cubic Function Using Factor by Grouping (1 rational, 2 irrational)

This video explains how to use factor by grouping to determine the zeros of a cubic function.

# Free Online TVM Solver: Balance of a Savings Annuity at Retirement

This video uses a free online TVM solver to determine a the future value of a savings annuity.

https://oervm.s3-us-west-2.amazonaws.com/tvm/index4.html

# Free Online TVM Solver: What Price of a Car Can You Afford?

This video uses a free online TVM solver to determine a the present value of a loan. https://oervm.s3-us-west-2.amazonaws.com/tvm/index4.html

# Find Payment, Total Cost, and Total Interest of a Loan with Down Payment

This video explains how to determine the monthly payment, total cost, and total interest with a down payment. The TVM solver is used as well as the loan formula.

# Find Initial Amount and Amount After Time From Half-Life (y=ae^(kt))

This video explains how to use half-life to determine an initial amount and an amount after time t.

# Solve a Trig Equation Using Reciprocal Identities: 2cos^2(x)-cot(x)=0

This video explains how to solve a trig equation using reciprocal identities.