Algebra 1 Part 2 Chapter 4 Relations and Functions.

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)}



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



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



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



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)}



B100

€

Solve for y:3x + 4y = -8Solve for y:

3x + 4y = -8

B200

Answer:

Answer:



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)}



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



B400

Change to proper standard

form: Change to proper standard

form:

B500

€

y + 2 =2

3x

Answer:

2x - 3y = 6Answer:

2x - 3y = 6



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



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



C400

If f(x) = x2 - xfind f(-3)

If f(x) = x2 - xfind f(-3)

C400

Answer:f(-3) = 12

Answer:f(-3) = 12



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



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)



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



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 . . .



D300

Answer:

13, 9, 14

Answer:

13, 9, 14

D400

Find the next three terms in the sequence:

19, 14, 8, 1 . . .


19, 14, 8, 1 . . .



D400

Answer:

-7, -16, -26

Answer:

-7, -16, -26

D500


x, 4x - 1, 9x - 2, 16x - 3 . . .


x, 4x - 1, 9x - 2, 16x - 3 . . .



D500

Answer:

25x - 4, 36x - 5, 49x - 6

Answer:

25x - 4, 36x - 5, 49x - 6

Algebra 1 Part 2 Chapter 4 Relations and Functions.

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