CBSE Class 11 Complex Numbers & Quadratic Equations Quiz

A free CBSE Class 11 Complex Numbers & Quadratic Equations quiz. Play without signing up; sign in to save your score.

CBSE Class 11 classMathematics subjectFree quiz

Play Complex Numbers & Quadratic Equations free

CBSE Class 11 Mathematics extends real numbers with iota, where i squared equals minus one. Students simplify powers of i, add and multiply in a + ib form, use conjugates and modulus for division, and solve quadratics whose discriminant is negative.

The CBSE Class 11 Complex Numbers & Quadratic Equations quiz is free to play without signing up. Sign in to save scores. Classic has a timer; Trivi gives three hearts; Learn is untimed with no score.

What you practice

These are the CBSE Class 11 Complex Numbers & Quadratic Equations skills this quiz is built around.

Simplify expressions using i, i squared, i cubed and cyclic powers.
Find conjugates, modulus and multiplicative inverses of complex numbers.
Solve quadratic equations with negative discriminant in a + ib form.

A useful tip

Multiply numerator and denominator by the conjugate to divide. That turns the denominator into a real number a squared plus b squared.

Frequently asked questions

What does CBSE Class 11 Complex Numbers & Quadratic Equations practice?

Practice includes: Simplify expressions using i, i squared, i cubed and cyclic powers; Find conjugates, modulus and multiplicative inverses of complex numbers; Solve quadratic equations with negative discriminant in a + ib form.

Is the CBSE Class 11 Complex Numbers & Quadratic Equations quiz free?

Yes. This quiz is free to play without signing up. Sign in to save your scores and progress.

What game modes can I use?

Classic has a timer; Trivi gives three hearts; Learn is untimed with no score.