Sections of a Cone

The equation $y^2+x^2+2x-1=0$ represents a pair of intersecting lines.

The equation $y^2-x^2+2x-1=0$ represents a pair of intersecting lines.

Find the equation of a conic whose focus is at $\left(1,0\right)$, its eccentricity $\left(e\right)=\frac{1}{\sqrt{2}}$, and directrix is $12x+5y+1=0$.

Identify the conic section which represents the given equation:

$16x^2+8xy+y^2-74x-78y+212=0$

Identify the path traced by a point $P\left(x,y\right)$ on the curve whose equation is $5\left(x^2+y^2\right)={\left(3x+4y-1\right)}^2$ by using the focus-directrix property of the conic.

Identify the conic section represented by the given equation:

$x^2+4xy+y^2-2x+2y-6=0$

Identify the conic section which represents the given equation:

$8x^2+4xy+5y^2-24x-24y=0$

Identify the conic section which represents the given equation:

$16x^2+8xy+y^2-74x-78y+212=0$

Describe point as a conic section?

Define conic section?

Identify the conic section of the following equation:

$16x^2+8xy+y^2-74x-78y+212=0$

Explain degenerate case of parabola?

Identify the conic section of the following equation:

$x^2+4xy+y^2-2x+2y-6=0$

Identify the conic section of the following equation:

$x^2+4xy+y^2-2x+2y-6=0$

Identify the conic section of the following equation:

$8x^2+4xy+5y^2-24x-24y=0$

Identify the conic section of the following equation:

$16x^2+8xy+y^2-74x-78y+212=0$

In which column of a triple column cash book is discount allowed recorded?

Which layer of the Earth is divided into tectonic plates?

What is an example of a quantity index number?

Which of the following is NOT a type of index number?