Linear and Quad Functions
Other functions
Trigonometry
Probability
General Knowledge
Challenge
Challenge 2
100

Solve

x^2+2x=3x+6


x=-2 and x=3

100

A cubic function in the form of y=ax^3+bx^2+cx+d have roots at  x= -2, x=3 and x=4.

Determine the equation of a cubic in factorised form. 

y=(x+2)(x-3)(x-4)

100

Solve

sin (x) =1/2, 0<=x<=2pi


x=pi/6, (5pi)/6

100

Jack had 4 Snicker bars and 8 Mars bars. He randomly chose a piece of candy, ate it, then chose another. 

What is the probability that both candy bars were snickers?

4/12 * 3/11= 1/11

100

Which movie features the song a "Whole New World"?

Aladdin

100

If Sydney and Canberra were to swap names, the Opera House would be in Canberra and the Federal Parliament would meet in Sydney. In this case, the Melbourne Cricket Ground would be in which city?

Melbourne

100

Without reordering any letters, what fruit appears in the sentence below?


I'D MAKE MY OWN JUICE WHILE MONEY ROLLS IN


LEMON

200

Solve the simultaneous equations

2x−y=10 and x+2y=0


𝑥=4 and 𝑦=−2

200

What test determines if it is a function or a relationship?

Vertical line test

200

Determine the equation of this wave


y=1-cos(x)

200

On a spinner labeled with numbers 1-10, where each number is equally likely to be spun, determine the probability of spinning an odd number or a multiple of 3

P(odd) = 5/10 

P(multiple of 3) = 3/10

P(odd and multiple of 3)= 2/10

5/10 + 3/10 - 2/10 = 6/10 = 3/5

200

List 4 coutries in Europe that end in y.

Italy, Norway, Germany, Hungary

200

Mary's mother has six children, April, May, June, July, August and who?

Mary

200

If there were no vowels at all, what would be the 13th letter of the alphabet?

Q

300

Solve:

(x+1)/4−(2x−1)/6=1

x=-7



300

Determine the equation of the following hyperbola


y=3/(x-4)+2

300

Determine the exact value of 

sin(15)

(sqrt(6)-sqrt(2))/4

300

If 𝐴 and 𝐵 are independent events such that P(𝐴)=0.35, and P(𝐵)=0.46, then P(𝐴∪𝐵) is equal to?

0.649

300

What is the national flower of Japan?

Cherry Blossom

300

Bill's glass is half full. Ben's is half empty. Bill drinks half of what's in Ben's glass and Ben throws half of what's in Bill's glass in Bill's face. Ben empties his glass into Bill's glass. How full is Bill's glass now?

Half

300

Which of the following words is still a recognised word if you substitute the first letter for the next letter in the alphabet and the last letter for the previous letter in the alphabet?

  • (A) BRINK

  • (B) CROWN

  • (C) CREST

CREST

400

A quadratic function has a range of  y<=4 and the roots at  x = -1 and x = 3 . Determine the equation of the quadratic.

y=-(x+1)(x-3) or y =-x^2+2x+3

400

Determine the equation of the following grah

y=-2sqrt(x-3)+4

400


y=3sin(4x)-2 

or y=3cos(4(x-pi/8))-2

400

Georgia is choosing her five subjects for Year 12. She has already chosen three subjects. For the remaining two she will choose one of the three mathematics subjects, and either one of five languages or one of three science subjects. How many different subject combinations are possible?

3C1*5C1+3C1*3C1 = 24

400

What happened 20th July 1969?

Ottawa

400

The Matildas played the Republic of WhoCares. In each half, Sam Kerr scored 6 minutes in, and every 6 minutes after that. If the game has two 45 minute halves, how many goals did she score?

14

400

How many dots (i.e. ".") – including any used in punctuation and letters… – are used in writing this question?

17

500

What is (are) the value(s) of 𝑚 that will give the equation  

mx^2+6x−3=0

 two solutions ?

m > -3

500

Determine the centre and radius of the following circle

x^2-2x+y^2 +6y=15

Centre = (1, -3)

Radius = 5

500

Simplify:


cos(11*pi/3)cos(10*pi/3)+sin(11*pi/3)sin(10*pi/3)

cos(pi/3)

1/2

500

If for two events 𝐴 and 𝐵, P(𝐴)=3/8

P(A)=3/8, P(B)=4/7 and Pr(𝐴∩𝐵)=8/21, then P(𝐴|𝐵) is equal to?

2/3

500

What is Australias best result in the world cup?

Top 16.

500

After matching online, Astrid, 32, meets up with Ed for a date. Only he looks twice as old as he does in the photo he used. When asked his age he says: "I'm really the same age as you… plus half my age." How old is Ed?

64

500

If you change the letter at the beginning of the first word, the letter in the middle of the second word and the letter at the end of the third word, they all now have something in common. What is it?


CAT BOATS SCARE

Clothes

Cat > Hat
Boats > Boots

Scare > Scarf