Exercises: Solve Quadratic Equations with Complex Solutions

Show all steps. Write complex solutions in $a + bi$ form. Include both solutions.

Grade 9·20 problems·~40 min·Common Core Math - HS Number and Quantity·standard·hsn-cn-c-7

Work through problems with immediate feedback

Fluency Practice

A quadratic equation with real coefficients has $3 + 4i$ as one solution. What must the other solution be?

$3 + 4i$ (the same solution again)

$-3 - 4i$ (the negative)

$3 - 4i$ (the conjugate)

$4 + 3i$ (parts swapped)