Solving Quadratic Equations with Real Coefficients that have Complex Solutions HSN.CN.C.7 Grade Practice Test Questions TOC | Lumos Learning

Solving Quadratic Equations with Real Coefficients that have Complex Solutions HSN.CN.C.7 Question & Answer Key Resources Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 10 Mathematics

Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 10 Mathematics Solving Quadratic Equations with Real Coefficients that have Complex Solutions

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Roots of a quadratic always come in two real conjugate pairs or two imaginary conjugate pairs. Why do you think this is?

  1. Because every complex number has a conjugate
  2. Because a quadratic needs terms with opposite signs
  3. Because all parabolas must have two roots
  4. Because the only difference between the two answers is the +/- sign in the formula

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Standard(s):HSN.CN.C.7

Standard Description: Solve quadratic equations with real coefficients that have complex solutions.

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