Section 7 - Graphs & Functions

Master linear, quadratic, cubic, and exponential graphs. Explore transformations, real-life applications, and problem-solving strategies across GCSE contexts.

Chapters16

Linear, quadratic, cubic, exponential, and transformations.

Time invested13 hrs

Approximate guided learning.

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Chapter 7.1

Linear graphs (all forms: y=mx+c, ax+by=c)

Plot linear equations in standard, slope-intercept, and general forms.

40 minStart
Chapter 7.2

Finding equations of lines

Determine line equations from slope, intercepts, and two-point methods.

40 minStart
Chapter 7.3

Parallel and perpendicular lines

Use gradients to identify and construct parallel and perpendicular lines.

40 minStart
Chapter 7.4

Quadratic graphs (plotting and sketching)

Plot parabolas and sketch using key features like vertex and intercepts.

45 minStart
Chapter 7.5

Cubic graphs

Understand cubic functions, turning points, and sketch from equations.

45 minStart
Chapter 7.6

Reciprocal graphs (y = k/x)

Plot reciprocal functions with asymptotes and analyse their properties.

40 minStart
Chapter 7.7

Exponential graphs

Explore exponential growth and decay, sketch functions, and analyse bases.

45 minStart
Chapter 7.8

Circle graphs and equations

Understand circle equations and relationships between centre, radius, and tangents.

45 minStart
Chapter 7.9

Graph transformations (translations)

Apply vertical and horizontal translations to any function.

40 minStart
Chapter 7.10

Graph transformations (reflections)

Use reflections in x and y axes to transform function graphs.

40 minStart
Chapter 7.11

Graph transformations (stretches)

Apply vertical and horizontal stretches and compressions.

45 minStart
Chapter 7.12

Combined transformations

Chain multiple transformations (translations, reflections, stretches).

45 minStart
Chapter 7.13

Distance-time graphs (complex)

Analyse complex motion scenarios with varying speeds and stationary periods.

40 minStart
Chapter 7.14

Velocity-time graphs

Use gradients for acceleration and areas for distance in motion problems.

45 minStart
Chapter 7.15

Real-life graphs

Interpret graphs from science, economics, and everyday contexts.

40 minStart
Chapter 7.16

Graphical problem-solving

Solve systems and equations graphically with real-world applications.

50 minStart

Next steps

Ready to explore transformations further? Revisit Section 6 for sequences, or progress to Section 8 for function notation and composition.