Which one of the following statements correctly describes the graph of the quadratic…

MATHEMATICS · Single correct · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

Which one of the following statements correctly describes the graph of the quadratic polynomial y=4x2+4x+1y=4x^{2}+4x+1? (a) It lies completely below the xx–axis without touching it. (b) It cuts the xx–axis at two distinct points. (c) It touches the xx–axis at exactly one point. (d) It lies completely above the xx–axis without touching it.

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