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Back to Solve quadratic equations with complex solutions — Problem 3 · Task Set 13

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
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Fluency Practice

1.

Solve x2+2x+5=0x^2 + 2x + 5 = 0. The solutions are $x = $   ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲   ±\pm   ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲   ii.

real part:
imaginary coefficient: