Complex Numbers
India
Class XI
Quadratic Solutions
Interactive practice questions
Below is the result after using the quadratic formula to solve an equation.
$x=\frac{-3\pm\sqrt{9-4\times56}}{16}$x=−3±√9−4×5616
Which of the following is true?
The equation has one real solution.
A
The equation has two real solutions.
B
The equation has complex solutions.
C
Easy
< 1min
Solve $\left(x+2\right)^2=-36$(x+2)2=−36.
Write both roots on the same line, separated by a comma.
Easy
2min
Solve $\left(x+1\right)^2=-3$(x+1)2=−3.
Write both roots on the same line, separated by a comma.
Easy
1min
Solve $\left(x+5\right)^2=-18$(x+5)2=−18.
Write both roots on the same line, separated by a comma.
Easy
2min
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