8.5.G Identify Functions Using Ordered Pairs, Tables, Mappings And Graphs

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Grade 8

Mathematics

Texas Essential Knowledge and Skills (TEKS)

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### Measures 1 skill fromGrade 8MathematicsTexas Essential Knowledge and Skills (TEKS)

Measures 1 skill from

Grade 8

Mathematics

Texas Essential Knowledge and Skills (TEKS)

8.5.G: Proportionality

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6 questions

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- Q1Which representation does not show y as a function of x?{(2,- 2 ), (3,-2 ), (7,-2 ), (11, −2 )}#texas/c186785f-14cc-4621-9fa8-4777a7649fcd/A.png#texas/c186785f-14cc-4621-9fa8-4777a7649fcd/D.png#texas/c186785f-14cc-4621-9fa8-4777a7649fcd/B.png60s8.5.G: Proportionality
- Q2Which set of ordered pairs represents y as a function of x?{(0, 0), (1, 1), (1, 0), (2, 1)}{(2, -1), (4, -2), (6, -3), (8, -4)}{(3, 3), (3, 4), (4, 3), (4, 4)}{(1, -5), (1, 5), (2, -10), (2, -15)}60s8.5.G: Proportionality
- Q3Which statement describes the mapping?The mapping does not represent y as a function of x, because there are more x-values than different corresponding y-values.The mapping represents y as a function of x, because each x-value corresponds to exactly one y-value.The mapping does not represent y as a function of x, because two of the x-values correspond to the same y-value.The mapping represents y as a function of x, because each y-value corresponds to exactly one x-value.60s8.5.G: Proportionality
- Q4Which graph represents y as a function of x?#texas/6912142c-bdf4-491c-9ff9-55b2167125cd/B.png#texas/6912142c-bdf4-491c-9ff9-55b2167125cd/D.png#texas/6912142c-bdf4-491c-9ff9-55b2167125cd/A.png#texas/6912142c-bdf4-491c-9ff9-55b2167125cd/C.png60s8.5.G: Proportionality
- Q5Which graph does NOT represent y as a function of x?#texas/0c8b66fb-191f-4339-82d4-20963bd3b54e/B.png#texas/0c8b66fb-191f-4339-82d4-20963bd3b54e/A.png#texas/0c8b66fb-191f-4339-82d4-20963bd3b54e/C.png#texas/0c8b66fb-191f-4339-82d4-20963bd3b54e/D.png60s8.5.G: Proportionality
- Q6Which set of ordered pairs represents y as a function of x?{(2, 5), (3, 1), (2, 1), (4, 7)}{(3, 2), (4, 3), (5, 2), (2, 6)}{(1, 3), (3, 5), (2, 5), (1, 6)}{(4, 7), (4, 6), (4, 4), (4, 1)}60s8.5.G: Proportionality