Given an expression in one or two variables and specified values, replace every variable occurrence with the specified value and produce a numerical expression with grouping preserved.
Practice more with MathNivoAndroid app coming soonExplore the idea here, then continue practicing in the Android app when available.
What you’ll learn
Given an expression in one or two variables and specified values, replace every variable occurrence with the specified value and produce a numerical expression with grouping preserved.
Key idea
Replace x with the given value and keep it grouped.
Worked example
Substitute x = 0. Do not evaluate.
8x + 1
8(0) + 1
Answer: 8(0) + 1
Quick Check
Analyze the proposed student response. Choose Correct or Incorrect.