Post on 27-Mar-2015
Algebra 1 Part 2 Chapter 4
Relations and Functions
Algebra 1 Part 2 Chapter 4
Relations and Functions
100 100RELATIONS EQUATIONS FUNCTIONS SEQUENCE
200 200300 300400 400
100 100200 200300 300400 400
EXIT
500 500 500500
Make a table for{(-1,6), (2,3), (4,-5), (-3,3)}Make a table for{(-1,6), (2,3), (4,-5), (-3,3)}
A100
Answer:x y
Answer:x y
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Answer A100
-1 6
2 3
4 -5
-3 3
Give the inverse of the relation
{(-3,5),(4,-1),(2,-5),(-3,-1),(0,-2)}
Give the inverse of the relation
{(-3,5),(4,-1),(2,-5),(-3,-1),(0,-2)}
A200
Answer:{(5,-3),(-1,4),(-5,2),(-1,-3),(-2,0)}
Answer:{(5,-3),(-1,4),(-5,2),(-1,-3),(-2,0)}
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A300
Make a mapping for {(-3,9),(-2,4),(-1,1), (0,0),(3,9)}
Make a mapping for {(-3,9),(-2,4),(-1,1), (0,0),(3,9)}
A300
Answer:see student’s
answers
Answer:see student’s
answers
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A300
List the 5 ways to represent a relation
List the 5 ways to represent a relation
A400
Answer: 1. A set of ordered pairs 2. Table 3. Mapping 4. Graph 5. Equation
Answer: 1. A set of ordered pairs 2. Table 3. Mapping 4. Graph 5. Equation
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A400
A person playing tennis uses 4 calories per hour for every pound he or she weighs. Make a table to show the
relationship between weight and calories burned in one hour for people weighing
100, 110, 120 and 130 pounds.
A person playing tennis uses 4 calories per hour for every pound he or she weighs. Make a table to show the
relationship between weight and calories burned in one hour for people weighing
100, 110, 120 and 130 pounds.
A500
Weight calories burned100 400110 440120 480130 520
Weight calories burned100 400110 440120 480130 520
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A500
Find the solution set for y=2x -1given the replacement set{(-2,-5),(0,1),(1,-3),(3,5)}
Find the solution set for y=2x -1given the replacement set{(-2,-5),(0,1),(1,-3),(3,5)}
B100
€
Answer:{(-2,-5),(3,5)}
Answer:{(-2,-5),(3,5)}
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B100
€
Solve for y:3x + 4y = -8Solve for y:
3x + 4y = -8
B200
Answer:
Answer:
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B200
€
y =−3
4x − 2
Solve x-y=8 if the domain is{-4,-2,0,2,4}
Solve x-y=8 if the domain is{-4,-2,0,2,4}
B300
Answer:{(-4,-12),(-2,-10),(0,-8),(2,-6),(4,-4)}
Answer:{(-4,-12),(-2,-10),(0,-8),(2,-6),(4,-4)}
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B400
List the 2 forms of a linear equation?
List the 2 forms of a linear equation?
B400
Answer: standard form: Ax + By = C
slope-intercept form: y = mx + b
Answer: standard form: Ax + By = C
slope-intercept form: y = mx + b
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B400
Change to proper standard
form: Change to proper standard
form:
B500
€
y + 2 =2
3x
Answer:
2x - 3y = 6Answer:
2x - 3y = 6
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B500
Is {(-2,1),(-1,8),(8,-2),(0,1),(1,-1)}
a function?Why? or Why not?
Is {(-2,1),(-1,8),(8,-2),(0,1),(1,-1)}
a function?Why? or Why not?
C100
Answer:yes, all domain
values are paired with only one range
value
Answer:yes, all domain
values are paired with only one range
value
C100
Is this a function? Why? Or Why not?Is this a function? Why? Or Why not?
C200
-2 2
4 3
0 3
5 -1
Answer:Yes, all domain values
are paired with only one range value
Answer:Yes, all domain values
are paired with only one range value
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C200
Is x=2y2 -3 a function?
Why? or Why not?
Is x=2y2 -3 a function?
Why? or Why not?
C300
Answer:
no, the y value can’t be squared
Answer:
no, the y value can’t be squared
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C400
If f(x) = x2 - xfind f(-3)
If f(x) = x2 - xfind f(-3)
C400
Answer:f(-3) = 12
Answer:f(-3) = 12
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C400
If g(x) =x2 -2x + 3find g(5p)
If g(x) =x2 -2x + 3find g(5p)
C500
Answer:25p2 - 10p + 3
Answer:25p2 - 10p + 3
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C500
Is -3, -1, 1, 3, 5 . . . an arithmetic sequence?
If yes, what is the pattern?
Is -3, -1, 1, 3, 5 . . . an arithmetic sequence?
If yes, what is the pattern?
D100
Answer:
yes, (add 2)
Answer:
yes, (add 2)
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D100
Find the next 3 terms of the arithmetic sequence:
8, 5, 2, -1 . . .
Find the next 3 terms of the arithmetic sequence:
8, 5, 2, -1 . . .
D200
Answer:
-4, -7, -10
Answer:
-4, -7, -10
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D200
D300
Find the next 3 terms in the sequence:
10, 6, 11, 7, 12, 8 . . .
Find the next 3 terms in the sequence:
10, 6, 11, 7, 12, 8 . . .
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D300
Answer:
13, 9, 14
Answer:
13, 9, 14
D400
Find the next three terms in the sequence:
19, 14, 8, 1 . . .
Find the next three terms in the sequence:
19, 14, 8, 1 . . .
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D400
Answer:
-7, -16, -26
Answer:
-7, -16, -26
D500
Find the next three terms in the sequence:
x, 4x - 1, 9x - 2, 16x - 3 . . .
Find the next three terms in the sequence:
x, 4x - 1, 9x - 2, 16x - 3 . . .
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D500
Answer:
25x - 4, 36x - 5, 49x - 6
Answer:
25x - 4, 36x - 5, 49x - 6