Write 20% as a fraction in simplest form.
1/5
-6 ≤ x < -3
Write down all the integer values of x
-6, -5, -4
What do we call a 6 sided polygon?
hexagon
The probability that a lightbulb is faulty is 5%.
Find the probability that the lightbulb is not faulty.
95%
Find the square root of 604.
Give your answer correct to 3 decimal places.
24.576
Work out 25
32
Solve 4x + 1 = 6
1.25
What do you call a line that touches a circle at one point only?
Tangent
Eight cards are numbered from 1 to 8.
One of these cards is picked at random.
Find the probability that the card numbered 3 is picked.
1/8
Work out 4.85 - 3.26 x 2.31.
Give your answer correct to 4 significant figures.
-2.681
30 - 5 x 7 + 1
-4
Expand k2(k - 6)
k3-6k2
Find the coordinates of the midpoint of the line joining the point (0, 0) to the point (-2, 4)
(-1, 2)
Find the mean for the following numbers:
1 6 5 9 5 7 4 3
5
5.2 x 107 - 3.25 x 104
51 967 500
Write 526,316 correct to 2 significant figures
530,000
Solve
16 - 2x = 4 - 5x.
x = - 4
In a right-angled triangle, the two shorter sides are 6 cm and 8cm. Find the length of the hypotenuse.
10 cm
Time taken for chicken eggs to hatch.
Is this an example of qualitative, continuous, modal or discrete data?
continuous
Work out 4 500 000 000 - 5.8 x 107.
Give your answer in standard form.
4.442 x 109
What is the lowest common multiple of 10 and 12?
60
Make x the subject of the formula:
y + ax = 5
x = (5 - y)/a
Work out the size of an exterior angle in a regular hexagon
60°
The probability of rolling a 6 on a biased dice is 4/25.
The dice is rolled 300 times.
Find an estimate for the number of 6s rolled.
48
On your GDC, sketch y = 2x2 -5x -3 and y = x + 5.
Find the x coordinates of the points of intersection.
x = - 1 and x = 4