Sample Test Item Preview

General Information
Related Benchmark: MA.8.A.1.3
Reporting Category: Algebra
Type: GR: Gridded-Response
Difficulty: N/A
Question:
An economist is helping a paper company evaluate the demand for reams of paper at different selling prices. The point at which the supply and demand graphs intersect is referred to as market equilibrium.

The economist graphed the supply and demand equations shown below.

Demand equation: y = -0.1x + 12
Supply equation: y = 0.11x - 2.7

Graph

What is the price per ream, in dollars, of the market equilibrium?

Possible Answer:
Gridded-Response

sample response     5
Item Context:
Social Studies/Consumerism