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The equations
x = 4t and y = 2 - 10t - 5t^2
can represent the path of a projectile. They are called parametric equations and t is the parameter.
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This question appears in the following syllabi:

SyllabusModuleSectionTopicExam Year
AQA A-Level (UK - Pre-2017)M1KinematicsProjectiles-
AQA A2 Maths 2017MechanicsKinematicsProjectiles-
AQA AS/A2 Maths 2017MechanicsKinematicsProjectiles-
CCEA A-Level (NI)M2KinematicsProjectiles-
CIE A-Level (UK)M2KinematicsProjectiles-
Edexcel A-Level (UK - Pre-2017)M2KinematicsProjectiles-
Edexcel A2 Maths 2017MechanicsProjectilesProjectiles-
Edexcel AS/A2 Maths 2017MechanicsProjectilesProjectiles-
OCR A-Level (UK - Pre-2017)M2KinematicsProjectiles-
OCR A2 Maths 2017MechanicsMotion in Two DimensionsProjectiles-
OCR MEI A2 Maths 2017MechanicsProjectilesProjectiles-
OCR-MEI A-Level (UK - Pre-2017)M1KinematicsProjectiles-
Pre-U A-Level (UK)MechKinematicsProjectiles-
Universal (all site questions)KKinematicsProjectiles-
WJEC A-Level (Wales)M2KinematicsProjectiles-