Arithmetic
This type of sequence has a common difference between consecutive terms.
Arithmetic Sequence
This type of sequence has a common ratio between terms.
Geometric Sequence
The amount originally invested or borrowed
The Principal
y=a + bx
Data arising from measuring or counting
Numerical Data
The common difference in the sequence 5, 8, 11, 14, ...
3
The common ratio in the sequence 3, 6, 12, 24, ...
2
The percentage charged or earned on money over time.
Interest rate
The slope of a straight line
rise/run
A graph used to display the frequency distribution of a categorical variable
Bar Chart
This type of interest is calculated only on the original principal.
Simple Interest
The value of R if a geometric sequence is decreasing
0<R<1
The amount of compounding periods when compounding fortnightly
26
The value of x in the equation 4x+2 = 10
x=2
A statistic measure used to measure the midpoint of a distribution
Median
The formula used to find the nth term of an arithmetic sequence.
Tn=a+(n)d
The formula used to find the nth term of a geometric sequence.
Tn=a.Rn
When the value of the an assest decreases by a percentage of the original value
Flat rate depreciation
The y intercept on the graph 2y = -16 + 8x
y int is -8
A statistic used to measure the spread of the data values around the mean
Standard Deviation
The 10th term of the arithmetic sequence 4, 7, 10, ...
31
This occurs when an investment earns interest on both the principal and previously earned interest.
Compound Interest
The slope on the graph 3y -9= 15x
slope is 5
A data distribution that is approximately symmetic and bell shaped
Normal distribution