Using the discriminant only

MATHEMATICS · Multi-part · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

Using the discriminant only, state the nature of the solutions of: (1) x2+7x−3=0x^2+7x-3=0 (2) x2−3x+2=0x^2-3x+2=0 (3) 3x2+2x−1=03x^2+2x-1=0 (4) 5x2+4x−3=05x^2+4x-3=0 (5) x2+x+5=0x^2+x+5=0 (6) 16x2−8x+1=016x^2-8x+1=0

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