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15.1 Outline
- Solving equations with two variables
- satisfy an equation
- solution
- Cartesian coordinate system
- definition
- axis, origin, quadrants
- coordinates
- abscissa
- ordinate
- Graphing a line by plotting points
- graph of a line
- procedure
- Graphing a line by slope-intercept
- standard form
- first-degree
…
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11.7 Outline
- Definition of variables
- Classification of financial formulas
- simple interest formula
- compound interest formula
- future value problem
- present value problem
- ordinary annuity
- present value of an annuity
- sinking fund
- amortization
11.7 Essential Ideas
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