## How do you find the intersection of a curve and a paraboloid?

Solution. For the curve r to intersect the paraboloid the coordinates of the curve x(t) = t , y(t) = 0, and z(t) = 2t − t2 must satisfy the defining equation of the paraboloid, i.e., z(t) = x(t)2 + y(t)2 (2t − t2) = t2 + 02 (2t − t2) − t2 = 0 2t − 2t2 = 0 t(1 − t)=0.

## How do you find the equation of the intersection of a curve?

The intersection of two surfaces will be a curve, and we can find the vector equation of that curve

- x = r ( t ) 1 x=r(t)_1 x=r(t)1
- y = r ( t ) 2 y=r(t)_2 y=r(t)2
- z = r ( t ) 3 z=r(t)_3 z=r(t)3

**What is intersection in engineering drawing?**

INTERPENETRATION OF SOLIDS WHEN ONE SOLID PENETRATES ANOTHER SOLID THEN THEIR SURFACES INTERSECT AND AT THE JUNCTION OF INTERSECTION A TYPICAL CURVE IS FORMED, WHICH REMAINS COMMON TO BOTH SOLIDS. …

### How do you find the intersection of two curves?

To find the point of intersection algebraically, solve each equation for y, set the two expressions for y equal to each other, solve for x, and plug the value of x into either of the original equations to find the corresponding y-value. The values of x and y are the x- and y-values of the point of intersection.

### How do you find the intersection of two functions on a TI 84?

How to Find Points of Intersection on the TI-84 Plus

- Graph the functions in a viewing window that contains the point of intersection of the functions.
- Press [2nd][TRACE] to access the Calculate menu.
- Press [5] to select the intersect option.
- Select the first function.
- Select the second function.

**How do you draw an intersection?**

- Draw tha plan and from ona and eract a perpendicular.
- From tha othar end of tha plan draw a lina at the angle given to intersect tha perpendicular in C.
- Fromb, draw a line perpendicular to XY to meet XY in b. 4 From a, draw a line perpendicular to XY and mark off.

## What determines the direction in which a paraboloid opens?

Also, the sign of c c will determine the direction that the paraboloid opens. If c c is positive then it opens up and if c c is negative then it opens down. Here is the equation of a hyperbolic paraboloid. Here is a sketch of a typical hyperbolic paraboloid.

## How do you find the shape of a elliptic paraboloid?

This quadric surface is called an elliptic paraboloid. To find the trace in the xy -plane, set The trace in the plane is simply one point, the origin. Since a single point does not tell us what the shape is, we can move up the z -axis to an arbitrary plane to find the shape of other traces of the figure.

**How do you move a paraboloid up or down?**

With both of the types of paraboloids discussed above note that the surface can be easily moved up or down by adding/subtracting a constant from the left side. is an elliptic paraboloid that opens downward (be careful, the “-” is on the x x and y y instead of the z z) and starts at z = 6 z = 6 instead of z = 0 z = 0.

### What is the equation of the intersection of an ellipse?

The intersection is an ellipse. For example, if we consider a cylinder with circular base x= acost;y= asintand the equation of the plane is 1 mx+ ny+ kz = l with k 6= 0 ; the para- metric equations of ellipse can be obtained by solving the equation of plane for z and us- ing the equations for xand y to obtain the equation of zin parametric form.