This question type allow you to define an equation and ranges for parameters such that every student gets a different problem. Great for creating questions for laboratory, general chemistry or anywhere you do math.
Instructions
Provide a Question Title and Question Text.
In your question text wrap your variables in {}. (e.g. What is {x} + {y}? note: You must use lowercase for variable names.
Under "Formula and Variables" provide your formula (e.g. x+y). Do not include the = sign.
Click the "Generate Variables" button to generate the variables.
Provide ranges (min/max) for your variables. Random values will be generated within this range.
Provide Positive and Negative Feedback
Options
Percent Margin
Error margin defined as the absolute value of (calculated_value-response)/response]*100
# of Sig Figs
How many significant figures you\'d like you variables to be represented as in the question text.