G8 U3 Assessment Key

Grade 8 Unit 3 Proportional Relationships and Linear Equations

Answer Key 1.

A

2.

8.EE.5 6.

A 8.EE.5

B

3.

8.EE.5 7.

C

11. Yes,no,yes,yes 12. C 8.EE.6 16. 40 lb. bag $0.70/lb 8.EE.5

D

17. Sketch of two similar triangles. 𝑦−3 2 = 𝑥 5 2 𝑦 = 𝑥+3 5 8.EE.6

9.

C 8.EE.6

14. B

8.EE.6 18. He makes two mistakes:

B 8.EE.5

8.EE.5 13. C

8.EE.6

4.

8.EE.5 8.

8.EE.5

D

8.EE.6 19. Proportional

Run/rise 5-3 instead of 5-(-3) M=-1/2 8.EE.6

Copyright © Swun Math Grade 8 Unit 3 Assessment (Answer Key)

Proportion is true. 8.EE.5

5.

B 8.EE.5

10. C 8.EE.6 15. C 8.EE.6 20. (8/3, 11/3) (13/3, 13/3) 8.EE.6