Exam Revision

Question 1

The area under a speed-time graph represents…

Answer 1

Distance

Question 2

The gradient of a speed-time graph represents…

Answer 2

Acceleration

Question 3

The power 1/2 is the

Answer 3

Square root

Question 4

The power 0 is always

Answer 4

1

Question 5

To calculate the discriminant, find

Answer 5

b^2 - 4ac

Question 6

If the discriminant is positive, the equation has … roots

Answer 6

2

Question 7

If the discriminant is equal to 0, the equation has … roots

Answer 7

1

Question 8

If the discriminant is negative, the equation has … roots

Answer 8

0

Question 9

Force =

Answer 9

Pressure x Area

Question 10

Area =

Answer 10

Force / Pressure

Question 11

Pressure =

Answer 11

Force / Area

Question 12

Speed =

Answer 12

Distance / Time

Question 13

Time =

Answer 13

Distance / Speed

Question 14

Distance =

Answer 14

Speed x Time

Question 15

Density =

Answer 15

Mass / Volume

Question 16

Mass =

Answer 16

Density x Volume

Question 17

Volume =

Answer 17

Density / Mass

Question 18

If the question involves opposite and hypotenuse use

Answer 18

sin

Question 19

If the question involves opposite and adjacent use

Answer 19

tan

Question 20

If the question involves adjacent and hypotenuse use

Answer 20

cos

Question 21

To find a rate of change from a graph, find the

Answer 21

gradient

Question 22

To find the gradient of a curved graph, first draw a

Answer 22

tangent

Question 23

Exterior angles of any polygon add to

Answer 23

360

Question 24

Angles in a triangle add to

Answer 24

180

Question 25

Angles in a quadrilateral add to

Answer 25

360

Question 26

Angles in a pentagon add to

Answer 26

540

Question 27

To find the angles in a polygon with n sides, calculate

Answer 27

(n-2) x 180

Question 28

The proper name for Z angles is

Answer 28

alternate angles

Question 29

The proper name for C angles is

Answer 29

supplementary or co-interior angles

Question 30

The proper name for F angles is

Answer 30

corresponding angles

Question 31

Area of a circle is

Answer 31

pi x radius squared

Question 32

Circumference of a circle is

Answer 32

pi x diameter

Question 33

Frequency density =

Answer 33

frequency / class width

Question 34

Frequency =

Answer 34

frequency density x class width

Question 35

To estimate the answer to a calculation,

Answer 35

round each number to 1 significant figure before calculating

Question 36

The maximum value of y=sinx and y=cosx is

Answer 36

1

Question 37

The minimum value of y=sinx and y=cosx is

Answer 37

-1

Question 38

The tan graph repeats every…

Answer 38

180

Question 39

A sequence which adds/subtracts the same number each time is called

Answer 39

arithmetic / linear

Question 40

A sequence where each term is multiplied by the same number to get the next term is called

Answer 40

geometric

Question 41

A sequence with the same second differences is called

Answer 41

quadratic

Question 42

A sequence where each term is the sum of previous terms is called

Answer 42

Fibonacci