Sample Test Item Preview

General Information
Related Benchmark: MAFS.912.A-SSE.2.3
Reporting Category: Algebra: Seeing Structure in Expressions
Type: SHT: Selectable Hot Text
Difficulty: N/A

Sue removes the plug from a trough to drain the water inside. The volume, in gallons, in the trough after it has been unplugged can be modeled by 4t²-32t+63, where t is time, in minutes.

A. Click on the correct property that will give Sue the amount of time it takes the trough to drain.

B. Click on the expression that will reveal the property.

Answer Options:


  • minimum
  • maximum
  • y-intercept
  • zero


  • 4(0)²-32(0)+63
  • (2t-7)(2t-9)
  • 4(t-4)²-1
  • 4(t-8)²+47
Answer Key:
A. Zero, B. (2t-7)(2t-9)