Mahabir Singh Solutions for Chapter: Linear Equations in Two Variables, Exercise 1: MATHEMATICAL REASONING

$ax+by+c=0$ does not represent an equation of the line , if ______

A straight line parallel to the $y$-axis has equation __________

If $(\mathrm{2,} 0)$ is a solution of the linear equation $2x+3y=k,$ then the value of $k$ is

If the graph of the equation $4x+3y=12$ cuts the coordinate axes at A and B, then hypotenuse of right triangle AOB is of length

Point $(\mathrm{4,} 1)$ lies on the line__________

The equation $x=7$ in two variables, can be written as _____

The point $(a, -a)$ always lies on _________

If $\mathrm{\angle }\mathrm{A}$ and $\mathrm{\angle }\mathrm{B}$ are complementary angles and $m\mathrm{\angle }\mathrm{A}$ is $x$, which equation can be used to find $m\mathrm{\angle }\mathrm{B}$ which is denoted by $y$?