If $a+b=-1$, then the value of $a^3+b^3-3ab$ is $\left(-1\right)$.

Match the following columns:

Column A	Column B
(i) The equation which represents the statement ‘the cost of a notebook is twice the cost of a pen’ is (Let $x=$ cost of the notebook, $y=$ cost of the pen)	(A) $11$
(ii) The value of $k$, if a line represents by the equation $2x-ky=9$ passes through the point $(-1, -1)$is	(B) $(0, 3)$
(iii) A solution of the equation $3=2x+y$ is	(C) $x=2y$
(iv) The graph of the equation $y=x$ is	(D)
(v) The graph of the equation $y=2x$ is	(E)

ACROSS $\to$

2. An equation of the type $y=mx$ represents a line passing through the _____.

3. $y=2$ when plotted on a Cartesian plane gives a line _____ to $x$-axis.

6. _____ number of lines can pass through the point $\left(2, 5\right)$.

8. A polynomial having one constant and degree $1$ is called a _____ polynomial.

9. $y=0$ is the equation of the _____.

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

DOWN $\downarrow$

1. The set of values of $x$ and $y$ which satisfies the given linear equation in two variables $x$ and $y$ is called the _____ of that linear equation.

4. Every linear equation in one variable has a _____ solution.

5. $2x+5=3$ has _____ solution.

7. $x=0$ is the equation of the _____.

ACROSS $\to$

1. A polynomial containing two terms.

2. A polynomial containing three terms.

DOWN $\downarrow$

3. An algebraic equation that is true for all values of the variables occurring in it.

4. An algebraic expression having one or more terms.

5. A polynomial containing only one term.