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Stage 5 · Linear relationships C (Path) · Use various forms of the equation of a straight line · Topic: Linear relationships · Year 9, 10

Determine and justify whether 2 given lines are parallel or perpendicular

Dot point ID k-10-2022-stage-5-linear-relationships-c-path/lnc-sta-stg5-07 · NESA code MA_K_10_CP_LNC_STA_STG5_07 · See it on the NSW Curriculum website ↗

↩SupportBuild the prerequisite skills first · 3 resources ★EnrichExtension & rich tasks · 2 resources

Outcomes for this focus area (MA5-LIN-P-01)

MA5-LIN-P-01 describes and applies transformations, the midpoint, gradient/slope and distance formulas, and equations of lines to solve problems (Path: Adv)

Core resources for this dot point

On-level resources, grouped by type. Need the building blocks? Use Support. Ready for more? Use Enrich.

Interactive tool

Interactive toolStarter
Maths Is Fun: Parallel and perpendicular lines
Maths Is Fun · Interactive (browser) · Free · Link checked 2026-10-15 · No prep
Use it for: Gradients of parallel and perpendicular lines.
Also tagged to: Explain that 2 straight lines are perpendicular if the produ…; Find the equation of a straight line that is parallel or per…

Focus area resources

Checked resources for Linear relationships C (Path) as a whole (not mapped to a single dot point).

Unit/Planning
Stage 5 Unit 2 – working with triangles (sample unit of learning)
NSW Department of Education · Sample unit (DOCX) · Editable document · Free · Link checked 2026-10-15 · Australian context, Editable, Teacher notes
Outcome codes found in document: MA5-IND-P-02, MA5-LIN-C-01, MA5-LIN-P-01, MA5-MAG-C-01, MA5-TRG-C-01
Unit/Planning
Stage 5 Unit 6 – constant rates of change (sample unit of learning)
NSW Department of Education · Sample unit (DOCX) · Editable document · Free · Link checked 2026-10-15 · Australian context, Editable, Teacher notes
Outcome codes found in document: MA5-EQU-C-01, MA5-EQU-P-02, MA5-LIN-C-01, MA5-LIN-C-02, MA5-LIN-P-01, MA5-RAT-P-01