School Improvement in Maryland

Sample Item
Selected Response Item for Grade 7

Standard 1.0 Knowledge of Algebra, Patterns, and Functions

Topic A. Patterns and Functions

Indicator 1. Identify, describe, extend, and create linear patterns and functions

Objective a. Complete a function table with a given two-operation rule

Assessment limit: Use the operations (+, -, x), numbers no more than 20 in the rule and whole numbers (0-500)

The linear relationship shown in the table below uses the rule y = 3(x - 2).

x y
2 0
3 3
4 6
10 24

What is the value of y when x equals 20?

  1. 18
  2. 54
  3. 58
  4. 60

Correct Answer
B. 54
Answer Annotation
  1. 18    (20 - 2)
  2. 54    (correct answer)
  3. 58    (60 - 2)
  4. 60    (3x20)
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