Algebra 2 2-1 Guided Practice: Relations and Functions
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by Matthew Richardson
| 12 Questions
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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
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5
Solve It! Can two different sets of 12 digits have the same check digit?
Yes
No
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3
40
Problem 1 Got It? Represent the relation in four different ways on the canvas provided.
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10
Problem 2 Got It?
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C
D
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7
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5
Problem 3 Got It? Is the relation a function?
Yes
No
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5
Problem 3 Got It? Is the relation a function?
Yes
No
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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?
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10
Problem 4 Got It? Use the vertical-line test. Which graph(s) represent functions? Select all that apply.

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9
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Problem 5 Got It?
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C
D
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10
5
Problem 5 Got It?
A
B
C
D
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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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