A. (2, 10), (7,35), (12,60) Step 1: As x increases, does y increase or decrease? (1 point)
Step 2: What is the constant of variation? (1 point)
Step 3: Is this an example of direct variation or inverse variation? Explain your answer. (2
points)
B. (0.8, 4), (1.6, 2), (5, 0.64)
Step 1: As x increases, does y increase or decrease? (1 point)
Step 2: What is the constant of variation? (1 point)
Step 3: Is this an example of direct variation or inverse variation? Explain your answer. (2
points)
C. (1.5, 4), (2,3), (12,0.5)
Step 1: As x increases, does y increase or decrease? (1 point)
Step 2: What is the constant of variation? (1 point)
Step 3: Is this an example of direct variation or inverse variation? Explain your answer. (2
points)