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Quiz 2.1

Last updated over 5 years ago
16 questions
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?

5

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

10

Problem 2 Got It?

5

Problem 3 Got It? Is the relation a function?

5

Problem 3 Got It? Is the relation a function?

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?

10

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

10

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

10
10
10
10
10

Vocabulary: Can you have a relation that is not a function? Can you have a function that is not a relation? Explain.

10

Error Analysis: Your friend writes, "In a function, every vertical line must intersect the graph in exactly one point." Explain your friend's error and rewrite the statement so that it is correct.

10

Vocabulary Review: Complete the sentence on the right with the correct word(s) from the left.

  • exactly
  • at least
  • at most
  • For every input of a function there is __?__ one output.
10

Use Your Vocabulary: Match each description on the left with the appropriate set on the right.

  • The output values in the relation:
    {(1, 0), (-2, 3), (3, 2), (5, -4)}
  • The domain of the relation:
    {(-2, 3), (-2, 1), (5, 4)}
  • {-2, 1, 3, 5}
  • {-4, 0, 2, 3}
  • {-2, 5}
  • {1, 3, 4}