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Wed. Feb 24 Functions

Authored by Gloria Coers

Mathematics

8th Grade

CCSS covered

Used 5+ times

Wed. Feb 24 Functions
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following sets of ordered pairs is a function?

{(8, 1), (7, 0), (7, -1), (8, 2)}

{(6, 1), (7, 3), (4, 2), (6, 2)}

{(1, 3), (2, 4), (-1, -3), (-2, -4)}

{(-2, 4), (-2, 3), (-2, 2), (-2, 1)}

Tags

CCSS.8.F.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ordered pairs in the sets shown below are of the form (x, y). In which set is y a function of x?

{(1, 3), (3, 1), (3, 4), (4, 3)}

{(1, -2), (1, 0), (1, 5), (1, 7)}

{(0, 3), (1, 4), (2, 4), (2, 8)}

{(1, 3), (2, 6), (3, 1), (6, 3)}

Tags

CCSS.8.F.A.1

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Which of these pairs of the form (x, y) could not lie on the graph of a function of x?

(1, 1) and (3, 1)

(1, 1) and (2, 2)

(1, 1) and (1, 2)

(1, 1) and (2, 1)

Tags

CCSS.8.F.A.1

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

The ordered pairs in the sets shown below are of the form (x, y). In which set of ordered pairs is y NOT a function of x?

{(2, 0), (4, 1), (6, 2), (8, 3)}

{(1, 4), (2, 4), (3, 4), (4, 4)}

{(11, 2), (12, 4), (10, 5), (13, 6)}

{(-6, 37), (-5, 20), (-6, 10), (-5, 26)}

Tags

CCSS.8.F.A.1

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Label the following set of ordered pairs as either a function or a non-function.

{(7, -1), (7, -2), (7, -3)}

Tags

CCSS.8.F.A.1

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Label the following set of ordered pairs as either a function or a non-function.

{(1, 3), (2, 4), (3, 5)}

Tags

CCSS.8.F.A.1

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Given the relation A = {(5, 3), (4, 6), (7, 9), (x, 9)}. Which value for x will make the relation A a function?

5

4

9

7

Tags

CCSS.8.F.A.1

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