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

CH2 - Algebra

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

2015 Summer

Theory

CH2 - Algebra

(a) Work out $(0.3)^2$.Answer(a) ..................................................... [1](b) Find $n$ when $\frac{5}{6} = \frac{n}{24}$.Answer(b) $n$...

2015 Summer

Theory

CH2 - Algebra

Solve.$2x + 3 \leq 4(x - 2)$Answer ....................................................... [3]

2015 Summer

Theory

CH2 - Algebra

Solve these simultaneous equations.$$5x + 2y = 11$$$$4x - 3y = 18$$Answer \( x= \) ..................................................\( y= \) ...........

2015 Summer

Theory

CH2 - Algebra

Given: $a = 2^3 \times 3 \times 5^2$ and $b = 2^2 \times 3^2 \times 7^6$.(a) Find, giving each answer as the product of prime factors,(i) the highest ...

2015 Summer

Theory

CH2 - Algebra

Solve.$$5(x + 2) < 2(4x - 7)$$Answer .................................................. [3]

2015 Summer

Theory

CH2 - Algebra

(a) Factorise $x^2 - 3x - 10$.Answer(a) .......................................................... [2](b) Make $x$ the subject of $y = \frac{\sqrt[3]{...

2015 Summer

Theory

CH2 - Algebra

Solve the simultaneous equations.You must show all your working.\( 5x - 2y = 11.5 \)\( 4x + 3y = 0 \)Answer \( x = \text{................................

2015 Summer

Theory

CH2 - Algebra

(a) $y$ varies inversely as the square root of $x$. $y = 5$ when $x = 9$. (i) Find the value of $y$ when $x = 25$.Answer(a)(i) $y = \text{...............

2015 Summer

Theory

CH1 - Number

Work out.(a) \( \frac{8}{0.04} \) .......................................................[1](b) \( \frac{4}{5} - \frac{1}{4} \) .........................

2016 Summer

Theory

CH5 - Geometry

(a) Shade two more squares so that this shape has exactly one line of symmetry. [1](b) Shade two more triangles so that this shape has rotational sym...

2016 Summer

Theory

CH1 - Number

By rounding each number to 1 significant figure, estimate the value of this calculation. Show all your working.$$\frac{11.37 \times 289}{52.3 + 99.6}$...

2016 Summer

Theory

CH1 - Number

Given $a = 2^5 \times 3^2 \times 7^3$ and $b = 2^3 \times 3^4 \times 5$.Leaving your answer as the product of prime factors, find(a) $b^2$, .............

2016 Summer

Theory

CH11 - Statistics

Luis has a large jar containing red, yellow, green and blue beads.He takes a bead at random from the jar, notes its colour and replaces it.He repeats ...

2016 Summer

Theory

CH2 - Algebra

Solve.$$ \frac{x}{2} - \frac{x+1}{3} = 2 $$

2016 Summer

Theory

CH9 - Sets

(a) Complete the Venn diagram by putting the numbers 2, 3, 4, 8, 12, 15 and 18 in the correct subsets. [2] (b) List the members of (i) $(E \cup F \...

2016 Summer

Theory

CH2 - Algebra

Solve.$2x + 3 > 2(3x - 1)$

2016 Summer

Theory

CH5 - Geometry

A, B, C \text{ and } D \text{ are points on the circle centre } O.Angle BOD = 130^{\circ}.(a) Find angle DCB.Angle DCB = \text{..........................

2016 Summer

Theory

CH2 - Algebra

Factorise completely.(a) $12x^2 - 27xy$ .......................................................[2](b) $4a^2 + 8ab - ac - 2bc$ ...........................

2016 Summer