Which of the following quadratic equations represents a graph that opens upwards and…

MATHEMATICS · Single correct · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

Which of the following quadratic equations represents a graph that opens upwards and does not meet the xx-axis? (a) −x2+2x−3=0-x^{2}+2x-3=0 (b) x2+6x+9=0x^{2}+6x+9=0 (c) x2+4x+5=0x^{2}+4x+5=0 (d) 2x2+3x−2=02x^{2}+3x-2=0

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