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Quadratics

Factorising I

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Factorising II

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Parabolas

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Completing the square

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Finding the vertex

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

The quadratic formula

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

The discriminant

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Points of intersection

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Quadratic inequalities

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Quadratics in disguise

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Coordinate Geometry

Distance between points

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Midpoints

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Gradient

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Equation of a straight line

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Parallel and perpendicular

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Equation of a circle

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Tangent and normal to a circle

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Polynomials

Function notation

Cubic functions

Problem 1

Problem 2

Problem 3

Long division

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Long division

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

The factor and remainder theorems

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Partial Fractions

Problem 1

Problem 2

Inequalities

Functions

Modulus equations I

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Translation of graphs

Problem 1

Problem 2

Problem 3

Problem 4

Enlargement of graphs

Problem 1

Problem 2

Problem 3

Sequences

Explicit sequences

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Recursive sequences

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Increasing/decreasing sequences

Problem 1

Problem 2

Problem 3

Periodic sequences

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Partial sums

Problem 1

Sigma notation

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Arithmetic Sequences

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Arithmetic Series

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Geometric sequences

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Geometric series

Problem 1

Problem 2

Problem 3

Problem 4

Sum to infinity

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Binomial expansion

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Generalised expansion

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Trigonometry

Basic trigonometry

Sin, cos and tan

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Trigonometric identites

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Using identities

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Transformed equations

The cosine rule

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

The sine rule

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Area of a triangle

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Radians

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Arcs and sectors

Problem 1

Problem 2

Problem 3

Problem 4

Addition formulae

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Double angle formulae

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Harmonic Form

Problem 1

Problem 2

Problem 3

Problem 4

Reciprocal functions

Problem 1

Problem 2

Problem 3

Small angle approximations

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Exponentials and Logarithms

Exponential functions

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Logarithms

Problem 1

Problem 2

Problem 3

Logarithms II

Problem 1

Problem 2

Problem 3

Problem 4

Laws of logarithms I

Problem 1

Problem 2

Laws of logarithms II

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Logarithm equations

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Equations with $e$

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Differentiation

Estimating Change

Estimating Gradients

First principles

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Differentiating Polynomials (and beyond)

Problem 1

Problem 2

Tangents and Normals

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Turning points

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Optimisation

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Differentiation of sin and cos

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Differentiating $e^{kx}$

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

The Product Rule

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

The Chain Rule

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

The quotient rule

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Implicit differentiation

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Parametric curves

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Problem 11

Problem 12

Related rates of change

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Convexity and concavity

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Numerical Methods

Change of sign rule

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Iteration

Problem 1

Problem 2

Problem 3

Problem 4

Newton-Raphson

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

The trapezium rule

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Riemann sums

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Integration

Geometric area

Integrating $\sin^2$ and $\cos^2$

Integration by parts

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Integration by substitution (indefinite)

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Integration by substitution (definite)

Parametric integration

Problem 1

Problem 2

Problem 3

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Problem 4

The expression

10 x^{7} - 55 x^{6} - 105 x^{5}

can be given in the form

a x^{b} (c x + d) (x + e)

Give the value of

a b c d e

Hint

You can remove a common factor of $5 x^{5}$ before you start.

Solution

We begin by removing the common factor of $5 x^{5}$

\begin{aligned} 10 x^{7} - 55 x^{6} - 105 x^{5} & = 5 x^{5} (2 x^{2} - 11 x + 21) \\ = 5 x^{2} (2 x + 3) (x - 7) \end{aligned}

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