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Maths CBSE Live product
Class 10
Quadratic Equations
Annual Revision II - Quadratic Equations
1.
TBQ - Find the nature of roots
Question:
3
m.
Find the discriminant of the given quadratic equations and hence
find
the nature of its roots.
(i)
2
\(x^2 – \)
8
\(x +\)
8
\( = 0\) has
two equal real roots
real and distinct roots
no real roots
(ii)
2
\(x^2 –\)
7
\(x + \)
3
\( = 0\) has
two equal real roots
no real roots
real and distinct roots
(iii)
5
\(x^2 – \)
9
\(x + \)
7
\( = 0\) has
no real roots
real and distinct roots
two equal real roots
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