Number
Write 240 as a product of its prime factors.
2 × 2 × 2 × 2 × 3 × 5 or 24 x 3 x 5
Solve the simultaneous equations
3x – 2y = 7
7x + 2y = 13
x = 2
y = -1/2
What does the gradient of a speed-time graph represent?
Acceleration
What is the mode 2,2,3,3,4,5,6,6,6,7,7,7,8
6 and 7
What day is today?
Tuesday
Round 0.739033 to 4 significant figures (4 s.f.)
0.7390
Write x2 + 8x + 5 in the form (x + a)2 +b
(x+4)2 - 11
A straight line has equation 4y – 5x = 2
Work out the gradient of this line.
5/4
A box contains 10 caramel and 10 mint chocolates. Max picks chocolates one at a time at random.
Are the outcomes in this scenario (which chocolate Max picks each time) independent or dependent?
dependent
Full name of your Math Teacher
答不对可以得零分了
Write down the value of 3-3
1/27
Solve the quadratic inequality by factorising.
x2 - x - 12 < 0.
-3<x<4
A curve has the equation y = f(x) and a turning point at (2, -3).
Write down the turning point of the curve with the equation y = f(2x) + 2
(1,-1)
When rolling two dice, what is the probability of getting a '3' on the first die and a '4' on the second die?
Give your answer as a fraction in its simplest form.
1/36
How many pets does your Math teacher have?
8
In a sale normal prices are reduced by 20%. A washing machine has a sale price of $464.
By how much money is the normal price of the washing machine reduced?
$116
Expand and Simplify
(x+5)(x-3)(2x-1)
2x3 +3x2-32x+15
Identify the coordinates of the stationary point of the curve.
y=-2x2+4x+4
(1,6)
Jennifer is wondering what to do on the weekend. There is a 1/10 chance that her friends will want to go to the movies, and a 2/5 chance that they will want to go ice skating.
What is the probability that her friends will want to go to the movies or ice skating?
1/2
How old is your Math teacher?
24
Ian invested an amount of money at 3% per annum compound interest. At the end of 2 years the value of investment was $2652.25.
Work out the amount of money Ian invested.
$2500
2-(x+2)/(x-3)-(x-6)/(x+3) can be written as a single fraction in the form (ax+b)/(x2-9), where a and b are integers.
Work out the value of a and b.
a=4, b=-42
Find the inverse of the function.
f(x)=(x+2)/(x+3)
(3x-2)/(1-x)
Sami asked 60 people which sports they liked from rugby, football and cricket.
8 people like all three sports. 17 people like rugby and football. 13 people like football and cricket. 19 people like rugby and cricket. 35 people like football. 27 people like cricket 30 people like rugby.
How many people liked neither rugby or football or cricket?
9
What is 1+1?
2