GCSE Maths Practice: quadratic-equations

Question 10 of 10

Solve a quadratic equation with complex roots using formula.

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\( \text{Solve the quadratic equation: } x^2 - 8x + 19 = 0 \)

Choose one option:

Express sqrt of negative as imaginary number i times sqrt of |D|.

Discriminant negative: \(b^2-4ac<0\). Roots: x=4±i√3.