🧮 Maths

Question 1

Math: what is the cosine rule

Answer 1

a = sqrt(b2+c2-2bccos(A))

Question 2

Math: at what angle do a tangent and a radius meet

Answer 2

90°

Question 3

Math: a triangle with multiple angles of 60° is what

Answer 3

An equilateral triangle

Question 4

Math: what is the quadratic formula

Answer 4

Question 5

Math: what is the sine rule

Answer 5

Question 6

Math: what is the cosine rule for angles

Answer 6

Question 6

Maths: when doing circle theorum what should you do to all the radei

Answer 6

Label them as symetrical

Question 7

Maths: what is the symbol for direct proportionality

Answer 7

∝

Question 8

Maths: what is the equation to find direct proportionality

Answer 8

y = kx

Question 9

Math: what is the equation of a line perpendicular to y = 2x + 3

Answer 9

y = -1/2x + c

Question 10

Math: what is an expression

Answer 10

It is a mathematical statement containing numbers and variables, 4m + 5

Question 11

Math: what is an equation

Answer 11

It is a statement that equals something, 4m + 5 = 6

Question 12

Math: equation for a straight line

Answer 12

Y=mx+c

Question 13

Math: what is the area of a trapezium

Answer 13

Question 14

math: what is the volume of a sphere, its surface area?

Answer 14

Question 15

math: if the center of a circle is at the point (0, 0) and the circle intersects the y axis at (0, 6) what is the equation of the circle

Answer 15

Question 16

Maths: how to find the turing point with completing the square

Answer 16

Question 17

Math: sine rule for area

Answer 17

Question 18

Maths: what is the equation of this line

Answer 18

y = 1/x

Question 19

Maths: what is the equation of this line

Answer 19

y = x^3

Question 20

Math: what is the y intercept of a quadratic curve

Answer 20

y = x^2 + bx + c

Question 21

Maths: what type of graph is y = a^x

Answer 21

An asymptote

Question 22

Math: what is the equation of exponential graphs

Answer 22

y = a x b^x

Question 23

Math: what is truncation

Answer 23

To leave out digits past a certain point without rounding

Question 24

Maths:

Answer 24

Question 25

Maths:

Answer 25

Question 26

Maths: what is it called when a quantity increases by the same percentage repeatedly

Answer 26

It is called exponential growth

Question 27

Math: when a quantity decreases by the same percentage repeatedly what is it called

Answer 27

Exponential decay

Question 28

Math: what do you do to find the roots of a function

Answer 28

f(x) = 0

Question 29

Math: how many digits do you write bearings in

Answer 29

3 e.g. 040 degree bearing rather than 40 degree

Question 30

Math: what are the 4 types of transformations

Answer 30

- enlargement - reflection - rotation - translation

Question 31

Math: what is the definition of similar shapes

Answer 31

The 2 shapes are proportional

Question 32

Matt: what is the definition of congruent shapes

Answer 32

2 shapes are the same (although they can be rotated)

Question 33

Maths:

Answer 33

Question 34

Maths: what happens when you divide or multiply an inequality by a negative

Answer 34

The sign flips, < x -1 is the same as >

Question 35

Math: what is the vertex of a graph

Answer 35

Turning point

Question 36

Maths: What is the y > 3x + 4 line

Answer 36

Question 37

Math: what does the dotted line on an inequality graph mean

Answer 37

It means that is is greater than but not equal - y > 3x + 4

Question 38

Math: what does the solid line on an inequality graph mean

Answer 38

Greater than or equal to - y ≥ 3x + 4

Question 39

Math: line inequality?

Answer 39

Question 40

Math: what is a triangle number

Answer 40

Add this

Question 41

math: what is a segment of a circle

Answer 41

Question 42

math: what is a sector of a circle

Answer 42

Question 43

math: what does a cumulative frequency diagram look like

Answer 43

Question 45

Math: what is the vertex of a graph

Answer 45

It is the turning point

Question 46

Do dis

Question 47

Make on the weird circle theorems

Question 48

Math: what is the period of a graph

Answer 48

the distance for one curve

Question 49

Math: what is the amplitude if a graph

Answer 49

The max height reached by the graph

Question 50

Math: how often does y = sin(x) repeat itself

Answer 50

360

Question 51

Math: what is sin(x+45)

Answer 51

Question 52

Math: what does this do -f(x)

Answer 52

Reflection in the x axis

Question 53

Maths: what does this do

Answer 53

Reflection in the y axis