$(x^2+ 1)^2– x^2= 0$ has
  • four real roots
  • two real roots
  • one real root.
  • no real roots
The roots of the equation $x^2 + x -p(p+1)=0$ where p is the constant are
  • $p$, $p-1$
  • $-p$, $p-1$
  • $-p$,$-(p+1)$
  • $p$,$-(p+1)$
Find the values of k so that quadratic equation $x^2 -4kx +k=0$ has equal roots?
  • 1,2
  • 0,1/4
  • 0,1
  • 0,3/4
Find the least positive value of p for which $x^2 + px + 4=0$ has real roots?
  • 4
  • 5
  • 7
  • 8
Match the column
quadratic-equation-class10-test-paper-1.png
  • p->iii, q->i, r ->ii, s -> ii
  • p->iii, q->i, r ->i, s -> ii
  • p->iii, q->ii, r ->ii, s -> i
  • p->iii, q->ii, r ->i, s -> ii
Find the real roots of the quadratic equation $2x^2- 3x -5 = 0$
  • -1,1/2
  • 1/2,1
  • 5/2,-1
  • 5/2,1
Find the roots of the quadratic equation $\sqrt {2x +9} + x=13$  
  • 20,-8
  • 20,8
  • -20,8
  • -20,-8
which of these is true?
  • .3 is the root of the equation $p^2 -.9=0$
  • Every quadratic equation has exactly one root.
  • $x^2 + 1=0$ has real and equal roots
  • Every quadratic equations has at most two roots
The roots of the quadratic equation $\frac {1}{x-3} - \frac {1}{x+5} =\frac {1}{6}$ ,$x \ne 3,-5$
  • 9,7
  • -9,7
  • 7,8
  • -9,6
0 h : 0 m : 1 s

Answered Not Answered Not Visited Correct : 0 Incorrect : 0