1. ADDITIVE VS. MULTIPLICATIVE RELATIONSHIPS
Multiplicative: The origin is represented in the table and in the graph. (0,0) Additive: The origin is not represented in the table and the graph. No (0,0) X Y 1 2 4 3 6 8
Each week your brother studies 2 times as many hours as you do.
EXAMPLE: y = 2x X Y 2 1 3 4 5 6
Each week your brother studies 2 more hours than you study.
EXAMPLE: y = x + 2

2. ADDITIVE VS. MULTIPLICATIVE RELATIONSHIPS
Multiplicative: The origin is represented in the table and in the graph. (0,0) Additive: The origin is not represented in the table and the graph. No (0,0) X Y 1 2 4 3 6 8
Each week your brother studies 2 times as many hours as you do.
EXAMPLE: y = 2x X Y 2 1 3 4 5 6
Each week your brother studies 2 more hours than you study.
EXAMPLE: y = x + 2