Year 9 5.3 Maths review

Quadratics

100

The Beatles is one of the greatest quads in music history. Who are the four members (25 points per member, don't need last names) 

John Lennon, Paul McCartney, George Harrison and Ringo Starr

200

DOUBLE POINTS: Factorise 6ab-10a²b

2ab(3-5a)

300

Factorise 3b²-27

3(b-3)(b+3)

400

Factorise 3x²-14x+16

(3x-8)(x-2)

500

Simplify (4x²-9)/(x²-5x)   x    (3x-15)/(4x-6)

3(2x+3)/2x

Triangles

100

What am I: I am a triangle with 2 equal sides

Isosceles triangle

200

What am I: a three sided closed shape that has two angles that are both 60 degrees

An equilateral triangle

300

True or False: There are more than 100 pyramids in Egypt?

True

400

DOUBLE POINTS: Is a triangle whose sides are equal to 12, 5 and 13 a right angle triangle?

5² + 12² = 13² Yes

500

What are the four congruent triangle rules

SSS, SAS, AAS, RHS

Oh Really

100

DOUBLE POINTS: What is Homer Simpsons middle name

JAY

200

What is Nemo's nicname

Shark Bait

300

Who are Chloe, Sasha, Jade and Yasmin

What is Bratz Dolls

400

Who won the 2000 AFL Grand Final?

Essendon Bombers 

500

What was Anthony's original colour in the wiggles shows

Green 

Stump Me

100

3² + 4 x 6 - 4

What is 29

200

In which sport are barani, rudolph, and randolph all techniques?

Trampolining

300

What is the midpoint of a line segment bound by the points (1,5) and (-3, 2)

M=(2, 7/2) OR M=(2, 3.5)

400

Calculate the amount of interest earned on a $4000 investment at 9% p.a. compounded yearly for 3 years.

A= $5180.12

So, Interest = $1180.12

500

DOUBLE POINTS: Solve the following pair of simultaneous equations:

5x+y=5

y=1-x

x=1

y=0

Could be anything

100

If you had chocolate and vanilla at a ratio of 3:5 in a milkshake, how much vanilla would you need to balance 450g of chocolate?

750g

200

If a bike travels 1000m over 100s, how fast is the bike moving? (answer in m/s)

10m/s

300

DOUBLE POINTS: Which mammal has no vocal cords?

Giraffe

400

 Who painted the ceiling in the Sistine Chapel?

Michaelangelo

500

The base of a lighthouse is at the top of a cliff 168 metres above sea level. The angle of depression from  to a boat at is 28°. The boat heads towards the base of the cliff and stops at a distance 126 metres from the base of the cliff. 

What is the angle of depression from the lighthouse to the boat's new location?

36.9^o

(from 2010 General Maths HSC exam- band 5 question)