Function
Quadratic Function
Fun facts
Guess the number
Random Calculation
Mr Praveen (Trivia)
100

What is the output of f(x)=2x+3 when x=4?  

11

100

State the shape of the graph of a quadratic function.

Parabola 

100
Who discovered Phytagora's Theorem?

Phytagoras

100

I am the number of sides on a triangle.

3

100

Square root of 225

Refresh your mark to 0 point

100
Where is Mr Praveen staffroom located?

Level 4 Staffroom

200

If f(x)=5x−2, find f(6).

28

200

Find the roots of x2-9=0

x=3 and -3

200

This number is the only even prime number.

2

200

I am a number. I am a square number between 20 and 30.

Free points

200

Solve 2x+7=3x−8.

15
200

What is Mr Praveen's favourite colour

Red
300

Given f(x)=x2+1, find f(−3).

10

300

Find the vertex of y=x2−4x+3

(2,-1)

300

The word “mathematics” comes from a Greek word meaning this.

Learning or knowledge

300

I am the sum of the first 10 natural numbers.

55
300

Find the discriminant of 2x2−5x+3=0.

1

300

What is Mr Praveen's favourite cartoon?

Spongebob Squarepants

400

If f(x)=3x+4 and f(a)=19, find a.

5

400

Find the axis of symmetry of y=x2+6x+5

x=-3

400

Zero was first widely used in this ancient civilization.

India

400

I am a number. If you add me to myself, multiply by 3, and subtract 6, you get 24.

6

400

Find the length of the diagonal of a square with side 10 cm.

10 surd 2 // 14.1
400

Which state in Malaysia was Mr. Praveen born in?

Perak
500

A function maps 2 → 7, 4 → 11, 6 → 15. Find the rule.

f(x)=2x+3

500

The quadratic y=x2−8x+12 has a minimum value of what?

-4

500

This famous mathematician is known as the “Father of Algebra.”

Al-Khwarizmi

500

I am a number. I am the only number that is both a square and a cube between 1 and 100.

64

500

An item is increased by 20% and then decreased by 20%. What percentage change has occurred?

4%

500

If Mr. Praveen could travel anywhere in the world, this would be his dream vacation spot. What is it?

Switzerland