Friday, November 7, 2014

Week 13: Two Way Frequency, Relative & Marginal Frequency, and Data Descriptions

Frequency Notes:

http://www.mathsisfun.com/data/frequency-distribution.html

Marginal Frequency: Finding Totals (by addition)

Relative Frequency Notes: Finding Percentages

http://www.mathsisfun.com/data/relative-frequency.html



Videos: How to fill in frequency tables and calculate relative and marginal frequency:

http://www.onlinemathlearning.com/two-way-frequency-table-hss-id5.html



Data Distribution:





Bimodial: Bi = 2 (high points)

 

Tuesday, October 21, 2014

Tuesday, September 30, 2014

Week 8: Unit 3a Review & Intro to Unit 3b

Unit 3b Intro: Videos

http://www.onlinemathlearning.com/exponential-functions.html


Review for Unit 3a Test:


f(x)
Function vs Relation
Rate of Change
Arithmetic Sequence
Review
f(x) is the same as which variable?
What is the difference between a function and relation?
What is the rate of change formula?
Write the explicit formula.
Solve for h:
.
x
-11
12
-7
7
-3
2
1
-3
Use the table below to find
f(7).
What is the domain and range?
x
-11
12
-7
7
-3
2
1
-3
 
 
What is the rate of change given the following points:
(3,7) and (8,10)
What is the common difference in the sequence:
{4, 11, 18, 25}
Solve the system of equations:
 
 x + y = 32                       
5x + 2y = 100
 
 
If 4 is the solution to f(x) = 3, what is the coordinate found on the graph of the function?
 
Is this a function? Why or why not?
What is the rate of change from [-2, 6]?
 
x
y
-2
13
 
2
-5
 
6
-17
 
 
 
In the sequence below, what is:
a1
a4
d
 
{5, 8, 11, 14, 17, 20}
If the lines on a graph are perpendicular, what do you know about the solution for the linear system of equations?
Find the range of f(x) = 3x – 2 when the domain is
{-5, -2, -1}
 
Is this a function? Why or why not?
What is the rate of change in the following graph:
Find the 12th term in the sequence
 
Which area should be shaded to show the solution set for the system of inequalities below:
X ≤ 2
Y ≥ -2
 
For the functions
 
           
Is this a function? Why or why not?
1.      The table shows a truck driver’s distance from home during one day’s deliveries. Find the rate of change for the following time intervals.
Time (h)
0
1
3
5
7
9
Distance (mi)
0
34
70
81
189
210
        Hour 1 to Hour 4: _______                            
       Hour 5 to Hour 8: _______                          Hour 8 to Hour 10: _______
 
Write the explicit rule that describes the sequence:
 
{5, 7, 9, 11}
Make a word problem for the following system of equations: