Worksheet directions

Grade 8 • Review • Choose a strategy for each problem. Explain or check your thinking where requested.

Sample questions

1. Is the relation {(4, 1), (5, 0), (4, 3)} a function? Explain. Use Set B values. Answer: ___
2. Is the relation {(6, 3), (7, 3), (6, 5)} a function? Explain. Answer: ___
3. Is the relation {(3, 7), (4, 10), (3, 9)} a function? Explain. Answer: ___
4. Is the relation {(5, 20), (6, 24), (5, 22)} a function? Explain. Answer: ___
5. Is the relation {(2, 5), (3, 7), (2, 7)} a function? Explain. Use Set B values. Answer: ___
6. Is the relation {(6, 3), (7, 3), (6, 5)} a function? Explain. Use Set B values. Answer: ___

See the preview for diagrams, answer spaces, and the complete layout.

Common Core connections

Source labels: 8.F.A.1–3. Review the learning goals below to check the fit for your class.

• 8.F.A.1 — Understand a function as a rule
• 8.F.A.2 — Compare two functions across representations
• 8.F.A.3 — Interpret y = mx + b as a linear function

Bring it into your lesson

Open this worksheet in Sparkclass to copy it to your Files. Check the resulting layout before sharing it with students.