Algebra, Surds, Indices
Expand and simplify
3(2x-5)+6x
12x-15
Expand and simplify
(2x+1)(4x-3)
8x2-2x-3
Round 15.692657 to three significant figures.
15.7
A young lion named Simba becomes king in this Disney classic.
The Lion King
What is the chemical symbol for Magnesium?
Mg
Simplify sqrt(50)+sqrt(72)
11*sqrt(2)
Solve (2x-5)(x+3)=0
x=5/2 or x=-3
Write 1 720 000 000 000 in Scientific Notation.
1.72 x 1012
Finish the lyric from Queen's Bohemian Rhapsody:
"Is this the real life? Is this just fantasy?... "
Caught in a landslide, no escape from reality.
What is the name of the process where plants convert energy from the sun into glucose?
Photosynthesis
Write x-2/3 without negative or fractional indices.
1/cbrt(x2)
Factorise 3x2-4x-20
(3x-10)(x+2)
Who was the Ancient Greek Mathematician who first worked out that 22/7 was a good approximation for pi?
Archimedes
What city does Batman protect?
Gotham City
What unit is electrical resistance measured in?
Ohms
If you were trying to solve the inequality 3/x < 2, why can't you just multiply both sides by x?
Because you don't know if x is positive or negative.
Find the largest solution to
x2-2x-25=0 correct to two decimal places.
6.10
What is the name of the theorem that was first proposed 1637 but was not proven until 1995 by Andrew Wiles?
Fermat's Last Theorem
Finish the lyric from Bon Jovi's song Living on a Prayer :
"Take my hand, ....."
"We'll make it I swear"
What type of scientist specialises in Fungi?
Mycologist
A rectangle's length is twice its width. If its total area is exactly 98 square units, what is its perimeter?
42 units
The total area of a right-angled triangle is 30 cm². If its height is 7 cm longer than its base, what is the length of the base?
5 cm
How many times is "SOH CAH TOA" said during the "SOH CAH TOA" song?
36 times
Which movie contains the quote, "I am serious. And don't call me Shirley."?
"Airplane" or "Flying High"
In dry air, what is the third most abundant gas on Earth?
Argon