Random Maths
Products & Factors
Indices
Data
Random not Maths
100
Find the coordinates of the vertex of the parabola:
y=x^2-6x+10
(3,1)
100
Expand the following:
(2x-5)(5x+8)
10x^2-9x-40
100
Write the following with only positive indices:
5a^(-2)b^3
(5b^3)/a^2
100
Median
100
Aureolin is a shade of what color?
Yellow
200
Jonny wants to invest his money into an account that earns 9% p.a compound interest.
After how many years will Jonny have doubled his money?
After 9 years
200
factorise the following:
5x^2+80x+320
5(x+8)^2
200
Simplify the following, leaving your answer in index form:
sqrt(a^(1/2))
a^(1/4)
200
Calculate the mean and standard deviation:
Mean = 2.7
S.D = 0.9
200
What is the tallest mountain in Africa?
Mount Kilimanjaro
300
Solve the equation:
log_2(1-x)+log_2(3-x)=3
x=-1
300
simplify the following:
(5y)/7+(2y)/5
(39y)/35
300
Simplify the following:
((2ysqrt(y))/y^2)^2
4/y
300
Use the equation of the least-squares regression line to estimate the value of y when x=9
xapprox8.45
300
What is the largest Spanish-speaking city in the world?
Mexico City