Domain and Range
Which variables do we use for Domain and Range?
What is: X for Domain, Y for Range
What does slope represent for a line?
What is: Steepness
Define the x and y intercepts.
What is: The x-intercept is where a graph crosses the x-axis, the y-intercept is where a graph crosses the y-axis.
What test is used to determine if a graph is a function?
What is: the vertical line test.
What is Ms. Gordon's favorite soda?
What is: Dr. Pepper
What is the domain and range?
What is:
Domain: 0.5 < x < 2.
Range: 0.25 < y < 1.5
What is the slope and y-intercept of: y = 2x + 6?
What is:
Slope = 2
Y-intercept = (0, 6)
What is the x-intercept of: 2x + 4y = 20
What is: (10, 0)
How can you tell if a set of numbers/points represents a function?
What is: If there is only one output for each input.
What is Ms. Gordon's favorite brand of shoe?
What is: Vans.
What is the domain and range?
What is:
Domain: -2, -1, 0, 1, 2.
Range: -2, 0, 2
What is the slope and y-intercept of:
y = 8.5
What is:
Slope = 0
Y-intercept = (0, 8.5)
What is the y-intercept of: 6x + 7y = 12
What is: (2, 0)
Is this a function? Explain.
What is: No, it does not pass the vertical line test.
What is Ms. Gordon's favorite movie?
What is: Nightmare Before Christmas
What is the input value that corresponds with the output value of 2?
What is: -2
What is the slope and y-intercept of:
y = -x
What is:
Slope = -1
Y-intercept = (0, 0)
What are the x and y intercepts of 5x + 4y = 40?
What is:
X-intercept = (8, 0)
Y-intercept = (0, 10)
Is this a function? Explain
What subject did Ms. Gordon almost teach instead of math?
What is: English
What is the output value that corresponds with the input value of 1.75?
What is: 25 feet.
What is the slope and y-intercept of:
3x + y = -1
What is:
Slope = -3
Y-intercept = (0, -1)
What are the x and y intercepts of: y = 2x + 7
What is:
X-intercept: (-7/2, 0)
Y-intercept: (0, 7)
Is this a function? If so, write an equation that represents it.
What is: Yes. y= 3.50x + 2.80
Where did Ms. Gordon go to college?
What is: Oregon State University