Complex Numbers (Uppersixth Art Pure Maths)

Froggy Jumps

(1)

Played 17

Create copy

About this activity

Test your knowledge on the properties of the imaginary unit i in pure mathematics!

Created by

EMMATH

Malaysia

This game is a version of

Complex Numbers (Uppersixth Art Pure Maths)

Download the paper version to play

Top 10 results

#	Player	Accuracy	time
1	aisyatul July 2, 2025	% 89	15:20
2	zafri July 2, 2025	% 83	18:19
3	Nur liyana July 2, 2025	% 77	17:47
4	hanis July 2, 2025	% 57	14:31
5	Nada July 2, 2025	% 54	11:13

Do you want to stay in the Top 10 of this game? Log in to identify yourself.

Make your own free game from our game creator

Compete against your friends to see who gets the best score in this game

Make challenge

		%
	Anonymous	%
		%
		%

Print your game

Complex Numbers (Uppersixth Art Pure Maths)


Froggy Jumps Complex Numbers (Uppersixth Art Pure Maths)Online version Test your knowledge on the properties of the imaginary unit i in pure mathematics! by EMMATH 1 What is the value of i squared? a -1 b 1 c 0 2 What is i cubed (i^3)? a i b 1 c -i 3 What is the value of i to the fourth power (i^4)? a -1 b 1 c 0 4 Which of the following is a property of i? a i is an integer b i is a rational number c i is not a real number 5 What is the conjugate of the complex number 3 + 4i? a 3 - 4i b 3 + 4i c -3 + 4i 6 If z = a + bi, what is the conjugate of z? a a - bi b a + bi c -a + bi 7 What is the product of a complex number, z=a+bi and its conjugate? a ab b a^2 + b^2 c a^2 - b^2 8 What is the conjugate of -2 - 3i? a 2 - 3i b -2 + 3i c -2 - 3i 9 If z = 5 + 0i, what is its conjugate? a 0 + 5i b 5 + 0i c -5 + 0i 10 What is the conjugate of the complex number 0 + bi? a 0 + bi b bi c 0 - bi 11 What is the sum of (3 + 4i) and (1 + 2i)? a 2 + 2i b 3 + 5i c 4 + 6i 12 (2 + 7i)-(5 + 3i)= a -3 + 4i b 3 + 10i c 7 + 2i 13 What is the result of (2 + 3i) + (4 - 2i)? a 6 + i b 2 + 5i c 6 + 5i 14 If z1 = 1 + i and z2 = 2 - 3i, what is z1 + z2? a 3 + 2i b 1 - 2i c 3 - 2i 15 What is (7 + 5i) - (3 + 2i)? a 10 + 7i b 4 + 2i c 4 + 3i 16 What is the sum of (0 + 0i) and (0 + 0i)? a 0 + i b 0 + 0i c 0 + 1i 17 When subtracting (a + bi) from (c + di), what is the result? a (c + a) + (d + b)i b (a - c) + (b - d)i c (c - a) + (d - b)i 18 What is the result of (1 + 2i) + (3 + 4i) - (2 + 3i)? a 1 + 2i b 2 + 3i c 3 + 4i 19 If z1 = 3 + 2i and z2 = 1 + 5i, what is z1 - z2? a 2 - 3i b 4 + 3i c 2 + 3i 20 What is the result of multiplying the complex number 3 + 4i by the scalar 2? a 3 + 8i b 5 + 6i c 6 + 8i 21 If z = 1 + 2i, what is 3z? a 1 + 6i b 3 + 2i c 3 + 6i 22 How do you express the multiplication of a complex number by a scalar? a k(a + bi) = ka + kbi b k(a + bi) = a + bi c k(a + bi) = k^2(a + bi) 23 What is the imaginary part of 4(1 + 2i)? a 2 b 4 c 8 24 If k = -1 and z = 3 + 4i, what is kz? a 3 + 4i b -3 - 4i c -3 + 4i 25 If z = 2 - 3i and k = 0, what is kz? a 0 b undefined c 2 - 3i 26 What is the result of multiplying the complex number 0 + 1i by the scalar 5? a 5 + 0i b 1 + 5i c 0 + 5i 27 What is the product of (3 + 4i) and (1 + 2i)? a 7 + 8i b 1 + 10i c -5 + 14i 28 What is the result of (a + bi)(c + di)? a ac + adi + bci + bdi^2 b ac - bd + (ad - bc)i c ac + bd + (ad + bc)i 29 What does i represent in complex numbers? a The real unit, √1 b The zero unit, 0 c The imaginary unit, √-1 30 What is the product of (2 - 3i) and (4 + i)? a 8 - 12i b 11 - 10i c 6 + 5i 31 How do you simplify i^2 in complex multiplication? a i^2 = 0 b i^2 = -1 c i^2 = 1 32 What is the real part of the product (1 + i)(1 - i)? a 2 b 1 c 0 33 If z1 = 2 + 3i and z2 = 4 - i, what is z1 x z2 ? a 8 + 5i b 11 + 10i c 7 + 9i 34 What is the imaginary part of (5 + 2i)(3 + 4i)? a 15 b 26 c 20 35 What happens to the imaginary unit when squared? a It remains i. b It becomes 1. c It becomes -1.

Complex Numbers (Uppersixth Art Pure Maths)

Froggy Jumps

About this activity

Created by

Download the paper version to play

Top Games

Froggy Jumps

The Integumentary System

Froggy Jumps

Bill of Rights Game - The Constitutionalist

Froggy Jumps

Phlebotomy Order of Draw Quiz

Froggy Jumps

Ethos, Pathos, and Logos Quiz

Froggy Jumps

pizza

Froggy Jumps

Complex Numbers (Uppersixth Art Pure Maths)Online version

by EMMATH

What is the value of i squared?

What is i cubed (i^3)?

What is the value of i to the fourth power (i^4)?

Which of the following is a property of i?

What is the conjugate of the complex number 3 + 4i?

If z = a + bi, what is the conjugate of z?

What is the product of a complex number, z=a+bi and its conjugate?

What is the conjugate of -2 - 3i?

If z = 5 + 0i, what is its conjugate?

What is the conjugate of the complex number 0 + bi?

What is the sum of (3 + 4i) and (1 + 2i)?

(2 + 7i)-(5 + 3i)=

What is the result of (2 + 3i) + (4 - 2i)?

If z1 = 1 + i and z2 = 2 - 3i, what is z1 + z2?

What is (7 + 5i) - (3 + 2i)?

What is the sum of (0 + 0i) and (0 + 0i)?

When subtracting (a + bi) from (c + di), what is the result?

What is the result of (1 + 2i) + (3 + 4i) - (2 + 3i)?

If z1 = 3 + 2i and z2 = 1 + 5i, what is z1 - z2?

What is the result of multiplying the complex number 3 + 4i by the scalar 2?

If z = 1 + 2i, what is 3z?

How do you express the multiplication of a complex number by a scalar?

What is the imaginary part of 4(1 + 2i)?

If k = -1 and z = 3 + 4i, what is kz?

If z = 2 - 3i and k = 0, what is kz?

What is the result of multiplying the complex number 0 + 1i by the scalar 5?

What is the product of (3 + 4i) and (1 + 2i)?

What is the result of (a + bi)(c + di)?

What does i represent in complex numbers?

What is the product of (2 - 3i) and (4 + i)?

How do you simplify i^2 in complex multiplication?

What is the real part of the product (1 + i)(1 - i)?

If z1 = 2 + 3i and z2 = 4 - i, what is z1 x z2 ?

What is the imaginary part of (5 + 2i)(3 + 4i)?

What happens to the imaginary unit when squared?