Lines in Space

The concept of lines in space forms the basis for a captivating exploration into the realm of geometry and visual perception. Unlike lines confined to two dimensions, those existing in space transcend traditional boundaries, inviting an intricate interplay of form and dimensionality. This abstract notion challenges our conventional understanding of geometry and beckons us to contemplate the dynamic relationships between points in three-dimensional space. As we embark on this exploration, the allure of lines in space unfolds, presenting a rich tapestry of visual and conceptual possibilities that extend beyond the confines of flat surfaces.

Questions
  • Can two planes intersect in exactly one point?
  • What are the coordinates of the 2 points where y=2X-X^3/2 meets the x-axis?
  • What is the symmetric equation of a line in three-dimensional space?
  • How do I determine whether a line is in a given plane in three-dimensional space?
  • What is the vector representation, parametric equations and rectangular equations for the line through the points P(3,2,1) and Q(-1,2,4)?
  • How do I know if two lines are perpendicular in three-dimensional space?
  • Given two points in 3-D space, such as #A(x_1,y_1,z_1)# and #B(x_2,y_2,z_2)#, what would be the equation of the line that connects those points?
  • How do I find the slope of a line through two points in three dimensions?
  • How do I find the slope of #(1, 2, 3)# and #(3, 4, 5)#?
  • How do I find the intersection of two lines in three-dimensional space?
  • Consider the line which passes through the point P(-1, 1, -4), and which is parallel to the line x=1+7t, y=2+3t, z=3+3t How do you find the point of intersection of this new line with each of the coordinate planes?
  • How do you find a vector parametric equation for the line through the points P= (0,4,-3) and Q=(-5,4,1)?
  • Find the vector equation of the line perpendicular to the vectors #3bb(ulhati)-4bb(ul hatj)+bb(ul hatk)# and #2bb(ul hatj)+3bb(ul hatk)#?
  • Why does a line have infinitely many sets of direction ratios?
  • What the difference between cardinality and dimension of a set? for example for R^3 and R^n.
  • What is the locus of points in the plane of and equidistant from the sides of an angle?
  • How to find the image of the straight line?
  • What is the equation that passing through (1,1) and (-1,1) centred at (0,-2)?
  • Given 4 points on a circle, how many ways can two points be connected, using permutations / combinations to solve?
  • The curves C1 and C2 are defined by the following parametric equations: C1: x=1+2t, y=2+3t, 2<t<5 C2: x=1/(2t-3), y=t/(2t-3), 2<t<3 Show that both curves are segments of the same straight line???