Jack

Question 1

Area of a rectangle

Answer 1

Base x Height

Question 2

Area of a parallelogram

Answer 2

Base x Height

Question 3

Area of a triangle

Answer 3

Base x height divided by 2

Question 4

The volume of a cuboid

Answer 4

Base x height x depth

Question 5

Volume of a cylinder

Answer 5

pi x (radius squared) x length

Question 6

Speed

Answer 6

distance over time

Question 7

Density

Answer 7

Mass over volume

Question 8

Pressure

Answer 8

Force over area

Question 9

Equation of a straight line

Answer 9

y = mx + c

Question 10

How to find the gradient

Answer 10

change in y over change in x

Question 11

tangent and a radius…

Answer 11

meet at a right angle

Question 12

angle at the circumference equals…

Answer 12

…half the angle in the centre

Question 13

opposite angles in a cyclic quadrilateral…

Answer 13

add to 180 degrees

Question 14

the perpendicular bisector of a chord…

Answer 14

…passes through the center of the circle

Question 15

tangents to a point

Answer 15

are equal

Question 16

the angle in a semicircle equals
(Circle theorem)

Answer 16

a right angle!

Question 17

proper name for ‘Z angles’

Answer 17

alternate angles

Question 18

proper name for ‘C angles’

Answer 18

Supplementary or co-interior angles

Question 19

Proper name for ‘F angles’

Answer 19

Corresponding angles

Question 20

Area of a Sector

Answer 20

(Angle over 360) x pi x radius squared.

Question 21

Arc length

Answer 21

(Angle over 360) x pi x diameter.

Question 22

Alternate angles…

Answer 22

Are equal

Question 23

Corresponding angles…

Answer 23

Are equal

Question 24

Co interior angles

Answer 24

Add to 180

Question 25

How do you find the mean?

Answer 25

Add them all together and divide by how many

Question 26

How do you find the median?

Answer 26

Put them in order and it's the one in the middle.

Question 27

How do you find the mode?

Answer 27

It's the one that appears the most.

Question 28

How do you find 10%

Answer 28

Divide by ten

Question 29

How do you find 1%

Answer 29

Divide by 100

Question 30

Y is directly proportional to x

Answer 30

y=kx

Question 31

y is inversely proportional to x

Answer 31

y=k/x

Question 32

Frequency density

Answer 32

Frequency/Class width

Question 33

If the transformation is in the brackets ie F(x+2)

Answer 33

You do the change to the x coordinate. And you do the opposite thing.

Question 34

If the transformation is out of the brackets. ie F(x) + 2

Answer 34

You do the change to the y coordinate.

Question 35

The gradient of parallel lines....

Answer 35

are equal

Question 36

The gradients of perpendicular lines....

Answer 36

Multiply to make -1 (Are the negative reciprocal of each other)

Question 37

Sum of interior angles in a polygon

Answer 37

(number of sides - 2) times 180

Question 38

Sin 0

Answer 38

0

Question 39

Sin 30

Answer 39

1/2

Question 40

Sin 45

Answer 40

1 over root 2 root 2 over 2 (rationalised)

Question 41

Sin 60

Answer 41

root 3 over 2

Question 42

Sin 90

Answer 42

1

Question 43

Cos 0

Answer 43

1

Question 44

Cos 30

Answer 44

Root 3 over 2

Question 45

Cos 45

Answer 45

1 over root 2 or root 2 over 2 (rationalised)

Question 46

cos 60

Answer 46

a half

Question 47

cos 90

Answer 47

0

Question 48

Tan 0

Answer 48

0

Question 49

Tan 30

Answer 49

1 over root 3 or root 3 over 3

Question 50

Tan 45

Answer 50

1

Question 51

Tan 60

Answer 51

Root 3

Question 52

Tan 90

Answer 52

KABOOM! You've just exploded the universe. This answer doesn't exist.

Question 53

What does the m stand for in y=mx+c?

Answer 53

The gradiant

Question 54

What does the c stand for in y=mx+c

Answer 54

Where the line cuts the y axis

Question 55

A U B

Answer 55

Everything in all of A and all of B and the middle

Question 56

A n B

Answer 56

The bit in the middle.

Question 57

What is the range?

Answer 57

The biggest number take away the smallest.

Question 58

What are the three equations needed to solve a quadratic sequence?

Answer 58

a+b+c 3a+b 2a