Surds
Exact values
Formulas/eqns
algebra
Probability
100
Simplify √45
What is 3√5
100
sin(60)
sqrt3/2
100
turning point formula
-b/(2a
100
Expand
(x-4)(x+6)
x^2+2x-24
100
List the sample space of tossing a coin twice
{HH, HT, TH, TT}
200
Simplify 3√28
What is 6√7
200
tan(pi/6)
sqrt3/3
200
discriminant formula
b^2-4ac
200
f(x)=(3+x^2)^2, f(x)=2
25
200
If P(A) = 0.5 and P(B) = 0.7, What is P(A ∩ B), given they are independent
0.35
300
Multiply 5√3 × 8√5
What is 40√15
300
cos((3pi)/4)=0, 0<=x<=2pi
(3pi)/4 and (5pi)/4
300
testing for independence formula
300
expand (x+m)(x-n)
x^2+mx-nx-mn
300
What is the conditional probability formula?
P(A|B)=(P(A∩B))/(P(B)
400
(2√12) / (3√54)
(2√2)/9
400
sqrt3+2cos(x)=0, 0<=x<=2pi
(5pi)/6 and (7pi)/6
400
quadratic formula
(-b+-sqrt(b^2-4ac))/(2a)
400
Factorise
2x^2-2x-12
(2x+4)(x-3)
400
If P(A)=0.6, P(B)=0.5 and P(A U B)=0.8, calculate P (A ∩ B)
0.3
500
5√3 + 2√12 − 5√2 + 3√8
9√3 + √2
500
2sin(x)-sqrt3=0, 0<=x<=4pi
pi/3 and (2pi)/3 and (7pi)/3 and (8pi)/3
500
binomial distribution formula
(n!)/(r!-(n-r)!
500
Expand
(x-2)^2(x+1)
x^3-3x^2+4
500
First to rearrange the letters to make a word
T I U E N Q A O
EQUATION