The point (-5, -8) lies in ………. quadrant.

The line x = -3 is

The area of a triangle is zero means ………

Slope of the line 3x – αy +1 = 0 is 4 then α =

Sides of two similar triangles are in the ratio of 4:9. Area of these triangles are in the ratio of …………

The point at which the line 2x + y = 8 intersects the X-axis is ……………

Three consecutive vertices of a parallelogram are (-2, 1), (1, 0) and (4, 3). Then $4^{th}4^\{th\}$ vertex is …………

The ratio in which the line segment joining the points (4, 6) and (-7, -1) divided by X- axis is ……………

Slope of the line joining $(-\alpha ,\alpha )(-\backslash alpha,\; \backslash alpha)$ and $(\alpha ,\alpha +\alpha \sqrt{3})(\backslash alpha,\; \backslash alpha+\backslash alpha\; \backslash sqrt3)$ is ……………

If the centroid of the triangle formed with (a, b), (b, c) and (c, a) is O(0,0), then $a^3+b^3+c^{3}a^3+b^3+c^3$ =