2x + 5= 15
x = 5
What do all the angles in a triangle add up to?
180°
What does the probability scale range from?
0-1
Symbol for Union of two sets A and B
AUB
Whats next in this sequence 2, 4, 6
8
3x + 4x
7x
How do you find the area of a rectangle?
Length x Width
How would you describe the probability of an event that has a 100% chance of happening?
Certain
Symbol for the intersection of two sets A and B
AnB
In patterns what does the first difference or common difference mean?
The difference between each term in a sequence, usually a constant number in linear patterns
Expand (x + 2) (x +3)
x² + 5x + 6
180°
The probability of an impossible event is?
0%
What does this mean {}
Empty set or null set
What is the next two terms in this number pattern 5,8,11,14
x² + 7x + 10
(x + 5)( x +2)
State Pythagoras theorem
c² = a² + b²
If you flip a coin and roll a dice, how many possible outcomes are there?
6 x 2= 12
A= {2, 4, 6, 8}
B= {1,2,3,4,5,6}
AnB = {2,6}
What is the next two terms in this number pattern 15, 22,29
36 and 43
Solve x²=49
x = 7
The lengths of two sides of a right-angled triangle are 6 cm and 8 cm. Find the length of the hypotenuse.
c= √100
hypotenuse = 10
Berska had a big start of summer sale, if you bought 5 new tops, 3 new skirts and 2 jackets, how many new outfits do you have?
5 x 3 x 2 = 30 new outfits
Where would you put the number 16
Outside the venn diagram but within the rectangle, in the Universal set.
Is this a linear or non-linear pattern 18, 20, 20 , 18
Non linear