Neco Model Questions Vol1 2024 Mathematics Question 11

Practice essay / theory question 11 from the 2024 Neco Model Questions Vol1 Mathematics examination. This question covers Graphs .

Neco Model Questions Vol1 2024 Mathematics Essay / Theory
Topic: Graphs
Question 11 NECO_MODEL_QUESTIONS_VOL1 • 2024 • MATHEMATICS • essay
Neco Model Questions Vol1 2024 Mathematics Question 11 diagram

The graph below shows the relationship between the number of hours (x) a student studies and the marks (y) obtained in a mathematics test.

Question Parts

( a )
Determine the gradient of the straight‑line segment joining the points (4, 50) and (8, 80).
( b )
Using the graph, estimate the marks the student would obtain after studying for 6 hours. Show how you arrived at the estimate.
( c )
The graph shows that after 8 hours the increase in marks per additional hour becomes smaller. Explain, with reference to the shape of the graph, why the marginal increase in marks reduces.

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About This Question

This is Neco Model Questions Vol1 2024 Mathematics Question 11. It is one of the essay questions from the 2024 Neco Model Questions Vol1 Mathematics examination.

The question covers Graphs .

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