Ram Chandra Solutions for Chapter: Algebra, Exercise 5: Enrichment Exercise

$a{x}^2+bx+c=0$ is a standard form of a quadratic equation.

 Factors of $x^2+3x-4$ are $\left(x+4\right)(4x-1)$.

Factors of $6x^2-x-2$ are $\left(2x+1\right)(3x-2)$.

A linear equation in two variables, $3x+0y-2=7$ has infinitely many solutions in $\left(x, y\right)$

A linear equation $3x-y-8=0$ has a unique solution.

The graph of the equation of the form $y=kx$ is a line which always passes through the origin.

The graph of every linear equation in two variables is a straight line.

If $x=2, y=1$ is a solution of the equation $2x+3y=k$, then the value of $k$ is $9$.