Very simple maths
Still... pretty simple maths
Medium maths
A bit harder?
ok... this is hard.
200
12 x 30 + 45 x 10 = ?
810
200
Simplify: 2x - 3xy + 4x2 + 3xy - 2xy
4x2 + 2x - 2xy (and equivalence)
200
2, 8, 18, 32, 50, 72, ....
The 15th term of the sequence
450
200
Union of A = {1, 2, 3, 4, 5} and B = {2, 4, 6, 100}
{1, 2, 3, 4, 5, 6, 100}
400
xm . xn = x? (m, n are real #)
m + n
400
I have x candies. Today, my mom gave me twice that amount and my brother gave me 10 more candies. What is x if I have 55 candies at the end of the day?
15
400
y = mx + c. x = ?
(y-c)/m
400
Two circles that have the same center are called __________ circles
concentric
400
Area of rectangle = 30 m^2
Perimeter of rectangle = 22m
Length and width of rectangle = ?
6m, 5m
600
How many seconds are there in a 31-day month?
2678400
600
Cube root of (1728/512)
1.5 (or equivalence)
600
This graph is called ______
Parabola
600
If x^y = y^x = 16 and x,y are natural numbers, what is x and y?
x = 2, y = 4
OR
x = 4, y = 2
600
(a + b)^3 = a^3 + 3ab^2 + 3(a^2)b + b^3
(a + b)^4 = a^4 + 4(a^3)b + 6(a^2)(b^2) + 4a(b^3) + 1
Those are examples of ________ expansion.
binomial
800
2x - 3 = 81. x = ?
42
800
Factors of 30
1, 2, 3, 5, 6, 10, 15, 30
800
If an amount of $5,000 is deposited into a savings account at an annual interest rate of 5%, compounded monthly, the value of the investment after 10 years is?
(2 d.p)
$8235. 05
800
2x + y = 90
2x - y = 45.5
x = ? y =?
x = 33.875
y = 22.25
800
What's wrong with this proof of 1 = 2?
a = b => a - b = 0
But dividing by 0 is invalid
1000
v = u + at. v is the _____ of the equation
subject
1000
Volume of a cuboid withs sides a,b,c
abc
1000
x^2 - 5x + 6 = 0
x = ?
2, 3
1000
Equation of a line passing through (2,5) and (3,6)
y = x + 3
1000
y = mx + c is called linear
y = ax^2 + bx + c is called quadratic
y = ax^3 + bx^2 + cx + d is called cubic
y = ax^4 + bx^3 + cx^2 + dx + e is called quartic
y = ax^5 + bx^4 + cx^3 + dx^2 + ex + f is called _______
quintic