Number Systems
From the following list, identify the integers:
-4, 2.5, 0, -1, √9
3/4
-4, 0, -1
Evaluate 3x+5 when x=2
11
A bag contains 3 red balls and 2 blue balls.
One ball is taken at random.
Find the probability that the ball is red.
3/5
Given the function f(x)=2x+3, find:
f(1)
5
The original colour of Santa's suit
Green
Simplify in the form of 2n
23×24
27
Simplify:
4a+7a−3
11a - 3
A fair coin is tossed twice.
Find the probability of getting:
Two heads
1/4
Given the function g(x)=x2−4, find: g(-1)
-3
When was Rudolph created?
1879
1901
1939
1939
Evaluate:
6+12÷3×2
14
Expand and simplify
3(2x−5)
6x - 5
The numbers 1,2,3,4,5,6 are written on six cards.
One card is chosen at random.
Find the probability that the number chosen is: A number greater than 4
2/6 or 1/3
Which function is linear?
1. x2 -2
2. 5x
3. 3x - x -5
3. 3x - x + 5
What is the highest grossing Christmas Movie of all time?
The Grinch (2018)
Express the number 0.0045 in scientific notation
4.5 x 10-3
Solve for x:
5x−7=2x+8
x = 5
A fair six-sided die is thrown once.
Find the probability of getting:
A number that is greater than 2 and less than 6
1/2
Find the equation of the line that:
Has slope (gradient) 2
Crosses the y-axis at 1
y = 2x +1
Who played Kevin MacCalister?
Macaulay Culkin
Write 360 as a product of its prime factors
23 x 32 x 5
Factorise completely:
x2+7x+10
(x+5)(x+2)
The letters A, B and C are arranged at random to form a three-letter arrangement.
Find the probability that the arrangement begins with A
2/6 or 1/3
Given the function:
f(x)=x2−5x+6
Find the roots of the function.
x = 2 or x = 3
The number of Santa's original Reindeer multiplied by the number of "Days of Christmas", minus the date of Christmas Eve
72