Algebra 2 2-1 Guided Practice: Relations and Functions

by Matthew Richardson

| 12 Questions1

2

1

5

Solve It! The last digit in a 13-digit bar code is a check digit. Steps 1-3 show how the check digit checks the first 12 digits. Is it possible for 12 digits to generate two different check digits?

Yes

No

2

5

Solve It! Can two different sets of 12 digits have the same check digit?

Yes

No

3

3

40

Problem 1 Got It? Represent the relation in four different ways on the canvas provided.

4

4

10

Problem 2 Got It?

A

B

C

D

5

6

7

5

5

Problem 3 Got It? Is the relation a function?

Yes

No

6

5

Problem 3 Got It? Is the relation a function?

Yes

No

7

10

Problem 3 Got It? Resoning: How does a mapping diagram of a relation that is not a function differ from a mapping diagram of a function?

8

10

Problem 4 Got It? Use the vertical-line test. Which graph(s) represent functions? Select all that apply.

9

9

5

Problem 5 Got It?

A

B

C

D

10

10

5

Problem 5 Got It?

A

B

C

D

11

11

5

Problem 5 Got It?

A

B

C

D

12

12

10

Problem 6 Got It?

A

B

C

D

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