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11th Grade Quadratic With Complex Quizzes, Questions & Answers

11th Grade

Top Trending Quadratic With Complex Quizzes

Wondering how quadratic equations lead to complex solutions? In this quiz, you’ll explore equations where the discriminant dips below zero and learn how to express solutions using complex numbers. You’ll practice...

Questions: 20 | Attempts: 11 | Last updated: Dec 17, 2025

Sample Question 1
What is the value of i²?

1

-1

I

0

Sample Question 2
Solve the equation: x² + 9 = 0

±3

±3i

±√9 (real)

No solution

Sample Question 3
For the equation x² + 4x + 8 = 0, the discriminant is:

0

-16

16

-8

Recent Quadratic With Complex Quizzes

Quadratic with Complex (Advanced)

Are you ready to take complex quadratic equations to the next level? In this quiz, you’ll work through challenging problems where coefficients, discriminants, and algebraic structures all demand careful attention....

Questions: 20 | Attempts: 12 | Last updated: Dec 17, 2025

Sample Question
Solve 2x² + 4x + 8 = 0.

X = −1 ± i√3

X = −1 ± 3i

X = −2 ± i√2

X = −1 ± 2i