10.2.2 Exam Question Type 2
These kinds of questions involve a scenario from a real-life situation which is represented with a straight-line model. It can involve asking you to derive equation from a given scenario or answer scenario-specific questions from given graph and interpreting the meaning of intersection of two straight lines in the context of scenario. Generally, these questions are between moderate to hard level of difficulty.
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Relevant Past Exam Questions
The following are relevant past exam questions:
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You can always expect a new scenario in the exam. The skill to focus on should be: ability to make up straight-line equation from given scenario, understand what values on the given line are possible and what are not and why not, what intersection means in the context of scenario and what does are where one line is above another line imply.
StudyNinja HSC Standard Maths course can give you more practice of these variations. Check here.