Test Index

JAMB Mathematics 2018 Paper

Question : 38

Total: 62

Use the quadratic equation curve to answer this questions

Solution:

Concept:

The minimum value of a graph is the lowest

y

-coordinate reached by the curve.

Explanation:

On the quadratic curve, the lowest point is the vertex of the parabola.

Reading from the graph, the lowest point on the

y

-axis is

y = -5.3

This value is the minimum value of the function.

Answer:

-5.3

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