Functions
Slope/Intercept
What is the slope?
Vocabulary
Tables-What's the equation?
100
Identify the domain of the relation. (5, 3), (5, 6), (5, 7), (3, 3), (3, 6)
What is 3,5?
100
Find the y-intercept of the graph of y = 7/2x-7
What is -7?
100
slope = -3/4
100
A relation that pairs each input to exactly one output.
What is a function?
100
x y
0 4
1 5
2 6
What is y = x + 4?
200
Tell whether the relation is a function.
x: y:
-6 ,0 ,0, 2 -7, -5 ,-6, -6
What is no?
200
Find the y-intercept of the graph of - 3y = -6x+18.
What is -6
200
slope = 0
200
The test used to determine if a graph represents a function.
What is the Vertical Line Test?
200
x y
-1 3
0 0
1 -3
What is y = -3x ?
300
Identify the range of the relation. (4, 2), (4, 7), (4, 8), (2, 2), (2, 7)
What is 2,7,8?
300
Find the slope of the line through the given points. (-6, -3), (5, -6)
What is -3/11
300
slope = undefined
300
You must get BOTH correct: 1) The set of all possible INPUT values of a function. 2) The set of all possible OUTPUT values of a function.
1) What is the domain? 2) What is the range?
300
x y
0 3
1 7
2 11
What is y = 4x + 3 ?
400
Tell whether the ordered pair is a solution of 3x - y = 14. (8, 0)
What is no?
400
A ramp has a rise of 10 feet and a run of 45 feet. Find its slope.
What is 2/9?
400
slope = 2
400
The ratio of the vertical change (rise) over the horizontal change (run).
What is slope?
400
x y
9 -18
0 -9
9 0
18 9
What is y=x-9
500
Write x + 4y = 28 in function form.
What is f(x)=-1/4x+7
500
Find the slope of the line through the given points. (7, 2), (3, 4).
What is -1/2?
500
What is the slope formula?
500
The four regions on a coordinate plane.
What is quadrants?
500
x y
2 3
0 -5
-2 -13
-4 -21
What is 4x-5?