Factorize 6x + 3
3(2x +1)
Simplify: 3a+5a
8a
What is the value os sin(90)
1
A pen costs $2, what is the cost of 5 pens
$10
If the perimeter of a square is 48cm, what is the area?
144cm^2
Factorize x^2 + 16
(x + 4)(x + 4)
Solve: 2x + 3 = 11
x = 4
What is the formula for Pythagoras Theorem
A^2 + B^2 = C^2
The temperature of a room drops from 25 degrees Celsius to 10 degrees Celsius. What is the decrease in temperature?
10 degrees Celsius
List 5 Prime Numbers.
2,3,5,7,11,13,17,19,23....
Factorize: x^2+5x+6
(x+2)(x+3)
If y = 2x + 1, when x = 4, what is y
y = 9
Find the area of a triangle with a height 8cm and a base 5cm
20cm^2
A car travels 180Km in 3 hours. What is its speed in km/h
3km/h
XXV
Factorize x^3 + 27
(x+3)(x^2 - 3x + 9)
Expand (x +2)(x - 3)
x^2 -x - 6
In a right angle triangle, sin(A) = 3/5. What is cos(A)?
4/5
If $200 is deposited at a rate of 5% for 2 years, what is the interest?
$20
What is the square root of 81
9
Factorize completely: 3x^3 −12x
3x(x - 2)(x + 2)
Solve x^2 - 5x + 6
x = 3 and x = 2
The angles of a triangle are 2:3:4. What is the value of the largest angle?
80
A ladder leans at an angle of 60 degrees to a wall. If the length of the ladder is 10m, what is the height of the wall?
8.66m
What is 12 x 8?
72