Matching Pairs Algebra-1 Lesson 1.1 VocabOnline version Test your prior knowledge of vocabulary associated with Chapter 1. by Amanda Griffin 1 Inverse Operations 2 Conjecture 3 Equivalent Equations 4 Rule or Theorem 5 Linear equation in one variable 6 Solution an unproven statement about a general mathematical concept. A value that makes the equation true Two operations that undo each other, such as addition and subtraction. Equations that have the same solution(s). A proven statement about a general mathematical concept An equation that can be written in the form ax + b = 0, where a and b are constants and a cannot equal 0.