Start learning →

The equation $x^2 + 2x + 5 = 0$ has

Atwo distinct real roots
Btwo equal real roots
Cone real root
Dno real roots
Answer & Solution
Correct answer: D. no real roots
1. $D=b^2-4ac=2^2-4(1)(5)=4-20=-16$. 2. Since $D<0$, the equation has **no real roots**. 3. Its roots are non-real (complex). _Source: Karnataka SSLC (KSEEB) Class 10 Mathematics, Ch10 'Quadratic Equations', §10.4_
Practise this question with Quill — Karnataka SSLC (Class 10) →

Keep practising Quadratic Equations

Browse all Quadratic Equations questions for Karnataka SSLC (Class 10), or explore more Mathematics topics.

Start a Quadratic Equations lesson →
Related questions
True or false: using coordinatesComplete the angle between two linesSpot the one that does not belongReading the definitions backTap every statement true of slopeFlip and pair: condition with conclusionWhich test applies?Three of these are wrong. Find the one that holds.