Functions
Linear Functions
Correlation Coefficient (r value)
Mixed
Trivia
100
What is a function?
Each input is assigned exactly one output.
100
What is the equation of this linear function?
It is y = (-1/3)x + 5
100
Describe this correlation coefficient: -0.9
Strong negative
100
Estimate the r value for the following graph
Between -0.7 and -0.9
100
What was the first cloned animal?
Dolly the sheep
200
Does this table represent a function?
Yes, it's a function!
200
What is the equation of this linear function?
It is y = 4x + 6.
200
Give a correlation coefficient that is weak and positive.
Answers vary
0.1 ≤ r < 0.5
200
Describe the correlation of the graph below
No Correlation
200
Who was the first character to speak in Star Wars?
C-3PO
300
Does this graph represent a function?
Yes, it's a function!
300
What test is used to determine if a graph is a function or not?
The Vertical Line Test
300
The correlation coefficient, represented by r, is a number between __ and __ that indicates the direction and strength of the linear relationship.
-1 and 1
300
What app do you use in the numworks calculator to calculate perform a linear regression?
Regression
300
What is the deadliest insect?
Mosquito
400
Does this mapping (arrow) diagram represent a function?
Yes, it's a function!
400
Which linear function has the greater rate of change? What is the rate of change for each panda?
The table has a greater rate of change. Mochi has a rate of change of 4 lbs/week. Kappa has a rate of change of 3 lbs/week.
400
Describe the Correlation Coefficient: 0.155
Weak positive
400
An _________ _____________ is a sequence of numbers that follows a pattern.
arithmetic sequence
400
How many members does BTS have?
7
500
(-1, 3), (0, 2), (1, 1), (2, 0), (0, 3)
Does this set of ordered pairs represent a function?
No, it's not a function!
500
Which linear function has a greater initial value? What is the initial value for each panda?
The graph has a greater initial value. Mochi has an initial value of 1 lb. Kappa has an initial value of 2 lbs.
500
What form is a linear regression typically written in?
Slope intercept (y = mx +b)
500
Function ________ tells us the name of a function and the input variable.
f(x) = "f of x"
notation
500
What is it called when birds fly south (warmer climates) for the winter?
Migration
600
A ________ ________ is a method for finding the line of best fit.
linear regression
600
What color is a Polar Bear's Skin?
Black
600
What is the difference between a turtle and a tortoise?
A tortoise is land-dwelling
A tortoise is land-dwelling, while many (though not all) other turtle species are at least partly aquatic.