Algebra 2 Formula Sheet
Quadratic Formulas
Standard Form:
Vertex Form:
Quadratic Formula
Exponential Formulas
Exponential Equation
Compound interest (n times per year)
Continuous Compound Interest
Sequence and Series
Arithmetic Sequence Formulas
Recursive:
Explicit:
Finite Arithmetic Series Formula
Geometric Sequence Formulas
Recursive:
Explicit:
Finite Geometric Series Formula
Infinite Geometric Series Formula
If then
Data and Statistics
Mean
Interquartile Range
The difference between the first quartile and
the third quartile of a set of data.
Mean Absolute Deviation
The sum of the distance between each data
value and the mean, divided by the number of
data values.
Standard Deviation
Z-Score
Confidence Intervals with Means:
Confidence Intervals with Proportions:
Table of Critical Values for
Confidence
Level
90%
95%
99%
1.645
1.96
2.576
Standard Normal Distribution Table On Back
