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Case study·Hard exam skill (4/5)·No calculatorNeeds mentor review

Difficulty guide

The label describes the problem, not your ability.

1/5 - Foundational

Warm-up setup; checks one basic idea.

2/5 - Routine exam skill

Normal syllabus skill; usually one main rule or interpretation.

3/5 - Standard multi-step

Exam-style problem with multiple steps or a common trap.

4/5 - Hard exam skill

High-end exam problem; combines methods carefully.

5/5 - Challenge

Stretch problem beyond normal exam pressure.

Question

A map uses coordinates in kilometres. A road segment joins M(0,6)M(0,6) to N(8,0).N(8,0).
Total: 4 marks

(a) Write the intercept form of the road line. (1 mark)

(b) Find its slope. (1 mark)

(c) Check whether the point (4,3)(4,3) lies on the road line. (1 mark)

(d) Find the yy-coordinate on the road when x=2x=2. (1 mark)

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cbse-math-11.u3.t3-1.case.005

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