Quiz 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?

5

10

Problem 2 Got It?

5

Problem 3 Got It? Is the relation a function?

5

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

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}

Quiz 2.1

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?

Problem 2 Got It?

Problem 3 Got It? Is the relation a function?

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

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

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

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.

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

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

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?

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

Problem 2 Got It?

Problem 3 Got It? Is the relation a function?

Problem 3 Got It? Is the relation a function?

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?

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

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

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

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.

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

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

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

Problem 3 Got It? Is the relation a function?

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?