Random
Example of a Rational Number
.7
%80
-1/2
Example of an Integers
-1
-2
-3
0
1
2
0
1
2
3
Example of a Natural/Counting
1
2
3
Example of a Irrational number
Pie
Square root
What is a Scatter Plot
Consists on data plotted as points in a coordinate plan
What is the % of change formula
Final amt - original / original
Find % of change
Final: 73
Original: 45
0.622
What is an example of sequence notation
1st- U1
2nd- U2
3rd- U3
Find
U(n-1)
N=75
74
What is recursive form of U1
U1=
Un=
Write this in recursive form
9,16,23
U1=9
Un= Un-1+7
Make a recursive table:
-7,-4,-1,2,5
_____I______
1 | -7
2 | -4
3 | -1
4 | 2
5 | 5
A ball is dropped from 9 ft high, hits the ground and bounces 6ft. Each time it bounces to 2/3 the previous bounce height.
Write recursive formula
U0=9
U1= 6
Un= Un-1*2/3
A ball is dropped from 9 ft high, hits the ground and bounces 6ft. Each time it bounces to 2/3 the previous bounce height.
Create a table
0 - 9
1 - 6
2 - 4
3 - 2.6
4 - 1.78
5 - 1.19
Example of an Arithmetic Sequence
14,10,6,2,-6
Find common difference
14,10,6,2,-2,-6
4
What is Explicit Form
Un= U1 + (n-1)*d
Find the 50th term
2,4,6,8,10,12
Un= 2 + (50-1)*2
50th term = 100
What is another word for sum
Sigma
What is the sigma formula
K
sigma Un=U1(1-r^k)/(1-r)
n=1
Slope = what
rise/run
y2-y1/x2-x1
What does a zero graph look like
---------------
What is Point Slope form
y-y1= m(x-x1)
Find slope (1,2) (3,3)
1/2