Theory

CH4 - Coordinate geometry

The point $A$ has co-ordinates $(2, 8)$ and the point $B$ has co-ordinates $(6, 6)$.Find the equation of the perpendicular bisector of the line $AB$.

2015 Summer

Theory

CH4 - Coordinate geometry

A is the point (2, 8) and B is the point (6, 0).(a) Find the co-ordinates of the midpoint of AB.Answer(a) $(........................, ...................

2015 Summer

Theory

CH4 - Coordinate geometry

The diagram shows the lines $x = -2$, $y = \frac{1}{2}x + 1$ and $3x + 4y = 20$.(a) Use simultaneous equations to find the co-ordinates of the point $...

2015 Summer

Theory

CH4 - Coordinate geometry

(a) On the grid, show clearly the region defined by these inequalities. $$x \geq 1 \quad y \geq 2 \quad y \geq 2x - 3 \quad 3x + 5y \leq 30$$ [7](b)...

2015 Summer

Theory

CH4 - Coordinate geometry

P is the point (0, 4), Q is the point (6, 0) and R is the point (2, 7).(a) S is the point such that $\overrightarrow{RS} = \overrightarrow{QP}$.Find t...

2015 Summer

Theory

CH4 - Coordinate geometry

A is the point $(-4, 4)$ and B is the point $(4, 10)$. Find the equation of the perpendicular bisector of $AB$.

2015 Winter

Theory

CH4 - Coordinate geometry

Find the equation of the straight line passing through $(-2, -4)$ and $(2, 0)$. Answer $\text{.....................}$ [3]

2015 Winter

Theory

CH4 - Coordinate geometry

A is the point (2, 6) and C is the point (5, 4).The equation of the line $AB$ is $y + 4x = 14$.The equation of the line $BC$ is $y = x - 1$.(a) $B$ is...

2015 Winter

Theory

CH4 - Coordinate geometry

The line $2x + 3y = 36$ intersects the x-axis at $P$ and the y-axis at $Q$. $M$ is the midpoint of $PQ$.Find the column vector $\overrightarrow{OM}$ w...

2016 Summer

Theory

CH4 - Coordinate geometry

The points $A (3, 8)$ and $B (9, 0)$ are shown on the diagram below.Find the equation of the perpendicular bisector of the line $AB$.

2016 Winter

Theory

CH1 - Number

(a) Write 4725.6 correct to two significant figures. Answer(a) .................................................. [1] (b) Write 0.01026 correct to t...

2015 Summer

Theory

CH2 - Algebra

Expand and simplify.(a) \(-3x(2-x)-(3x^2-7)\)Answer(a) ...................................................[2](b) \((5x-3y)(2y-5x)\)Answer(b) ............

2015 Summer

Theory

CH1 - Number

Find the exact value of $27^{\frac{1}{3}}$.

2015 Summer

Theory

CH2 - Algebra

Simplify \( (16x^8y^2)^{\frac{1}{2}} \).

2015 Summer

Theory

CH1 - Number

(a) Simplify.\[ \sqrt{27} + \sqrt{147} \]Answer(a) ............................................................... [2](b) Rationalise the denominator....

2015 Summer

Theory

CH3 - Functions

Solve.$\log x + \log 5 - \log 25 = \log 10$Answer $x=$ ..................................................

2015 Summer

Theory

CH1 - Number

There are 400 students at a school.$\frac{2}{5}$ of the students are boys.70\% of the girls can swim.The ratio of boys that cannot swim to girls that ...

2015 Summer

Theory

CH5 - Geometry

(a) Write down the value of $x$.Answer(a) $x= \text{..................................................}$ [1](b) Find the value of $y$.Answer(b) $y= \t...

2015 Summer

Theory

CH3 - Functions

Given $f(x) = \frac{1}{3x - 2}$(a) Find $f(4)$.Answer(a) .......................................................... [1](b) Solve $f(x) = \frac{1}{4}$....

2015 Summer

Theory

CH6 - Vectors and transformations

ABCD is a trapezium. $AB = 2DC$, $DM = 2MC$, and $AN = 3NB$. $\overrightarrow{AB} = p$ and $\overrightarrow{AD} = q$. (a) Write $\overrightarrow{MC...

2015 Summer