Things to know for the Module 4 Test • Simple Interest i = Prt

Things to know for the Module 4 Test
• Simple Interest i = Prt
• Compound Interest A = P(1 + r)t
• Rate of Change (Slope)
• Slope Intercept Form y = mx + b
• Point-Slope Form y = m(x – x1) + y1
Arithmetic Sequencing:
• An Explicit Formula (Equation)
• f(n) = f(1) + d(n-1)
• A Recursive Formula
• f(1) = first term ; f(x) = f(x-1) + increase
Geometric Sequencing:
• An Explicit Formula (Equation)
• f(n) = f(1)  r(n-1)
• A Recursive Formula
• f(1) = first term ; f(x) = f(x-1)  increase
Things to know for the Module 4 Test
• Continuous Graph
• Discrete Graph