Mathematics for IGCSE & O level - Graphs Of Functions (Section 4 - No. 14)
What is the key property of a quadratic graph represented by an equation in the form y = ax^2 + bx + c?
It is a straight line.
It is a curve with a 'U' or inverted 'U' shape.
It is a set of parallel lines.
It has a constant rate of change.
Explanation
Quadratic graphs have a parabolic shape.
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