Function or Nah?
When every input has its own unique output
What is a function?
There must be two of me when proportionality is present.
What is a component?
You need both of us to write a rule.
What are the constant and the starting point?
There are two of us on a graph. One of us runs horizontally and the other runs vertically.
What is the x-axis and y-axis?
The written way to qualify a graph.
What is the vertical line test?
Terrance the skateboarder starts near the motion detector, begins to move away slowly then speeds up as he moves toward the motion detector.
What is non-proportional motion?
y= -0.5x + 4
I am the starting point in this rule.
What is (0,4) or 4?
We are the two components needed to understand the information presented on a graph.
x= 3 y= 4
x= 6 y= -2
x= 5 y= 5
x= 1 y= 0
x= 6 y= 7
What is a non-function?
The two components of proportionality.
What is constant and passes through the origin?
2y= -4x + 8
I am the constant in this rule.
What is -2?
(Must convert to slope intercept form y= -2x + 4)
I determine what label goes where. Without me, you would have no one to depend on.
What is the independent variable?
Domain: { 1, 3, 4, 7, 8, 11 }
Range: {1, 3, 4, 7, 8, 11 }
What is a linear function?
x= 0, y= 4
x=3, y= 7
x= 6, y= 10
x= 9, y= 13
What is a non-proportional relationship?
Create a rule from the following information.
x= -1 y= 3
x= 1 y= 7
x= 3 y= 11
x= 5 y= 15
What is y= 2x + 5?
Because I work part-time I don't make as much money as I'd like so I can't always go out with my friends. Going out with my friends is...
What is the dependent variable?
Domain: -3 ≤ x ≤ 6
Range: { -1}
What is a non-function?
y= -4x
What is a proportional relationship?
Jordan and his brother get $5 a week for their chores. Jordan volunteered to pick up extra chores around the house at an additional $2 per chore. After one month, if Jordan does an additional 2 chores each week, how much money would he have earned?
What is $36?
(Rule: y= 2x + 5. Jordan's pay after one week would be y= 2(2) + 5= $9. By the end of the month this would equate to $36).
x-Scale: 5
Points on the x-axis: 0, 2, 4, 6, 8
y-scale: 10
Points on the y-axis: 0, 10, 20, 30, 40
Describe this scenario.
What is incorrect scaling?