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Chapter 1 Summary Linear Functions Distance Slope: Parallel slope Perpendicular slope Write the Equation of a Line: Given different information (2 pts, parallel or perpendicular, etc.) Interest: I = Prt A = P(1 + rt) Find interest, principal, interest rate, time, or accumulated amount. Linear Depreciation: Rate of deprecation (slope) Equations Value Supply/Demand: Equations Solve of quantity or price Cost/Revenue/Profit: C(x) = cx + F R(x) = sx P(x) = R(x) - C(x) Write Equations Point of Intersection: Solve for the intersection point by elimination (linear combination) or substitution. Break Even Point: When the Cost is equal to the Revenue Equilibrium Quantity/Equilibrium Price: When the Supply is equal to the Demand x is the Equilibrium Quantity y is the Equilibrium Price Graph a Linear Equation
