Upload
marianna-dawson
View
212
Download
0
Tags:
Embed Size (px)
Citation preview
Warm up 8/26 Write the equation of the transformation you see
1. 2.
3. Potatoes cost a chef $18 a box, and carrots cost $12 a box. The chef want to spend no more than $144. Write an inequality for the number of boxes the chef can buy.
More notes on 1.9 transformations of parent graphs has been posted online – unit 2 section 1.9.
Homework Group
Check in with your group!
See which problems you have questions on
Help your group member.
Still unsure ? Thank about what you need to ask. Write those questions down.
- Go over as a class.
Be seated before the bell rings
DESK
homeworkWarm-up (in your notes)
Ch 2 test tues 9/1
Agenda:
WarmupGo over hw p. 128
Note 2.7
NotebookTable of content
Page1
1
1) 1-1 Sets of Numbers /1.2 Properties of Numbers
2.7 Curve fitting
2) 1-3 Square Roots
3) 1-4 Simplify Algebra Expression
4) 1.6 Relations/1.7 functions
5) 1.9 Parent Functions
6) 2.1 Linear Equations/
2.2 Proportions
7) 2.3 & 2.4
8) 2.7 Curve Fitting
Learning targets
2.7: I can perform a linear regression to find a line of best fit for scatterplot data and use linear models to make predictions
Don’t forget test retakes
2.7 Curve fitting
Fit scatterplot data and use linear models to make predictions
A Regression is a relationship between the variables
A scatter plot is a graph of order pairs.
Main purpose is to analysis a relationship between the two variables
Strength is classified by a Correlation
A line of best fit is use to make a prediction.
No correlation Positive correlation
Negative correlation Positive correlation
What is Lebron James’ shoes size ?
6' 8"
What is Lebron James’ shoes size if he is 6 ft 8 inches? In order to find out we will (1) gather all students’ height / shoe sizes. (2) Make a scatter plot. (3) Look for any correlation. (4) Draw a line of best fit. (5) Find equation of our line. (6) Use the line to make a prediction.
Steps1.Plot data points 2.Identify the correlation 3.Sketch a line of best fit.4.Take 2 points
5.Find slope and write equation of line.
Question: What is the baby alligator’s length next September.
Steps1.Plot data points 2.Identify the correlation 3.Sketch a line of best fit.4.Take 2 points
5.Find slope and write equation of line.
Question: Use the equation to predict the number of bat in 3 years
Closer:
Summarize what one person in your group learned in class today.