Skip to content
Back to Solution constraints in rational and radical equations
PricingLog in

Mathematics

Sign conditions before squaring

When a radical equals an expression, the expression must be nonnegative before squaring.

3 minutes. No sign-up needed.

Chapter 17: Solution constraints in rational and radical equations10 lessons · 40 min
  1. 1Equations with complex fractions4 min
  2. 2Substitution in rational equations4 min
  3. 3Identities and contradictions in rational equations3 min
  4. 4Parameter-dependent excluded roots4 min
  5. 5Equations with rational exponents4 min
  6. 6Quadratic radicands in equations4 min
  7. 7Sign conditions before squaring3 min
  8. 8Parameters and radical equation solutions4 min
  9. 9Counting valid rational and radical roots4 min
  10. 10Challenge: Solution constraints in rational and radical equations6 min
Go to the chapter

This lesson is part of the Mathematics course.

Example plan3 lessons · 11 min

Quadratic radicands in equations4 min
Sign conditions before squaringSolution constraints in rational and radical equations3 min
Parameters and radical equation solutionsSolution constraints in rational and radical equations4 min

An example. Your plan follows your answers, so it can start later and end sooner.

Build my plan

Start free, no account needed.