Slope and Y-intercept
Function Values
Is It a Function?
Relations/Domain and Range
Vocabulary
100
What is the slope and y-intercept of the following equation: 3y = 9
What is 0 and 3?
100
if f(x) = 5 - 3x What is the value of f(-3)
What is 14?
100
The name of the test used to determine whether a graph is a function or not is called the ____________ _______ test.
What is vertical line?
100
The domain of the relation {(1,0), (-2, 3), (3, 4)} would be: and is it a function?
What is {1, -2, 3}? yes
100
The name of the horizontal axis is called______________.
What is the x-axis?
200
What is the slope and y-intercept of x = 5?
What is No slope and none?
200
if g(x) = -2x^2 - 5x + 2 Find g(-2)
What is 4?
200
A function is a special type of relation where every ___ value has exactly one output, or ___ value.
What is x, y?
200
Write the range of this relation: {(8,7), (-6, 3), (2, 0)} and Is it a function?
What is {7, 3, 0}? yes
200
Another name for the coordinates (0,0) would be the _______________.
What is the origin?
300
What is the slope and y-intercept of: 2x + 3y = 15
What is -2/3 and 5
300
If h(x) = -2(3^x) + 1 what is h(0)?
What is -1?
300
Determine if the following relation is a function. Show your work using either a graph or an input/output table. {(9, 0), (3, 0), (2, 2), (-3, -4)}
What is YES?
300
Name three ways to show a relation.
What is a set of ordered pairs, graph, and table, or mapping?
300
A set of ordered pairs is called a _______________.
What is a relation?
400
What is the slope and y-intercept of: -4y - 3x = 44
What is -3/4 and -11
400
If h(x) = -2(3^x) + 1 what is h(2)?
what is - 17?
400
Is the following relation a function? and why? {(3,2), (-3,2), (0,3), (-3,3)}
What is no because x value is repeated with two different y-values. Fails vertical line test.
400
Show the relation {(0, 4), (-7, 5), (8, 3), (-7, 2)} as a table. Is it a function?
See white boards. no
400
What is a function?
A relation or set of ordered pairs in which each x value or domain value is mapped to one and only one unique y-value or range value
500
What is the slope of a horizontal line?
What is zero?
500
If k(x) = 2x - 4 What is k(3a) in terms of a?
What is 6a - 4
500
If a large capital S is drawn on a coordinate plane, is it a function? and Why?
What is No, it will fail the vertical line test.
500
Show the relation {(6, 4), (-3, -2), (6, 0), (-4, 4)} as a table and a graph. Write the domain and range. Is it a function?
See whiteboards. D: {(6, -3, -4)} R: {(4, -2, 0)} no
500
Write an example of an ordered pair. Circle the first number. This number is called the________________.
What is the x coordinate?
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