Paper 1

Question 1

Gradient formula

Answer 1

Change in Y
——————
Change in X

Question 2

Equation of a straight line

Answer 2

y = mx + c

Question 3

Radius of a circle formula?

Answer 3

x2 + y2 = r2

Question 4

what do you multiply by to convert m² into cm²?

Answer 4

x10,000

Question 5

Division to convert cm² into m²?

Answer 5

÷10,000

Question 6

Multiplication to covert m³ into cm³

Answer 6

x1,000,000

Question 7

Multiplication to convert litres to cm³?

Answer 7

x1,000

Question 8

ml = cm³, true or false?

Answer 8

True

ml = cm³

Question 9

Division for cm³ to m³

Answer 9

÷1,000,000

Question 10

Division for cm³ into litres

Answer 10

÷1,000

Question 11

What is the formula for volume?

Answer 11

Volume = mass/density

Question 12

What is the formula for pressure?

Answer 12

Pressure = force/area

Question 13

Equation of parallel lines

Answer 13

y = mx + c

Question 14

Gradient formula

Answer 14

Change in y
—————-
Change in x

Question 15

Capture - Recapture formula?

Answer 15

M R
— = —
N T

M = total marked
N = total population 
R = number “recaptured”
T = total capture on 2nd visit

Question 16

What percentage is the lower quartile?

Answer 16

25%

Question 17

What percentage is the median?

Answer 17

50%

Question 18

What percentage is the upper quartile?

Answer 18

75%

Question 19

What is the formula for position of the median when using quartile from a list?

Answer 19

n+1
——
2

Question 20

What is the formula for the position of the lower quartile when using quartile from a list?

Answer 20

n+1
——
4

Question 21

What is the formula for the position of the upper quartile when using quartile from a list?

Answer 21

n+1
—— x3
4

Question 22

Interquartile range formula

Answer 22

Upper quartile - lower quartile

Question 23

On a box plot compare question what do you have to write about?

Answer 23

Median
Range
Interquartile range

Question 24

When is the cosine rule used

Answer 24

2 lengths, with angle inbetween them

All sides, with missing angle

Question 25

When is Pythagoras used?

Answer 25

When there is a right angle triangle with just at lengths and no angles

Question 26

When is the sine rule used?

Answer 26

When there is opposite angles and sides.

Question 27

When is SohCahToa used?

Answer 27

When there is a right angle triangle with sides and angles.

Question 28

What is the sine rule?

Answer 28

a b ——— = ——— Sin A Sin B a, b = sides A, B = angles

Question 29

Volume of a cylinder =

Answer 29

πr²h

Question 30

Volume of a cone=

Answer 30

1 —πr²h 3

Question 31

Two tangents from the same point are?

Answer 31

Equal

Question 32

A tangent meets a radius at?

Answer 32

90 degrees

Question 33

Circle theorem, angles in the same segment are?

Answer 33

Equal

Question 34

Circle theorem, the angle at the centre is twice the angle at the?

Answer 34

Circumference

Question 35

Circle theorem, An angle in a semi circle is?

Answer 35

90 degrees

Question 36

Opposite angles in a cyclic quadliteral add to?

Answer 36

180 degrees.

Question 37

On a trigonometric graph how often does y = sin(x) touch the graph?

Answer 37

Every 180 degrees Repeats every 360 degrees

Question 38

On a trigonometric graph how often does y = cos(x) touch the graph?

Answer 38

Every 180 degrees starting at 90 degrees Repeats every 360 degrees

Question 39

On a trigonometric graph how often does y = tan(x) touch the graph?

Answer 39

Acemtotes A line the graph never touches Every 180 degrees starting at 90 degrees.

Question 40

Area of a trapezium?

Answer 40

a+b/2 x height

Question 41

Frequency density =

Answer 41

Frequency ————— Width