Abhijit Guha Solutions for Chapter: Quadratic Equations, Exercise 1: Practice Problems Level 1

Find the value of $\mathrm{x}$ for which the following linear equations are true

$\frac{\mathrm{x}}{2}<5$

Find the value of $\mathrm{x}$ for which the following linear equations are true:

$x-3> 0$

If $x$ is real, prove that $2x^2-6x+9$ is always positive______.

Find for what real values of $x$, the expression :

$x^2+8x+15=0$

Prove that $8\mathrm{x}-15-{\mathrm{x}}^2>0$ for limited values of $\mathrm{x}$ and also find the limits:

Find the range of the values of $x$ for which $-x^2+3x+40>0$ :

Find the range of the values of $x$ for which $x^2+6x-27>0$:

If $x$ be real, find the maximum value of $-3x^2+x+2$ and the corresponding value of $x$: