yrnalex8823 yrnalex8823
  • 03-08-2018
  • Mathematics
contestada

Identify the surface whose equation is given r^2 + z^2 = 4

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 16-08-2018

The equation describes a circle that gets smaller as z increases, and is maximum size at z=0. The radius of the circle is a maximum of 2, and goes to zero as |z| becomes 2.

The surface is a sphere of radius 2 centered at the origin.

Answer Link

Otras preguntas

The tank shown is a cylinder with diameter equal to 4 feet and height equal to 12 feet. the tank holds 1130 gallons of rainwater when full. how many gallons of
If someone is an advocate of the philosophy of judicial restraint, he or she believes question 4 options: that the meaning of the law tends to evolve over time.
PLZ HELP ASAP WRITE STANDERED EQAUTION OF A CIRCLE
In opsonization, antigens that are coated with antibodies are susceptible to
Which line from The Importance of Being Earnest shows the difference between city and country living? “Why cucumber sandwiches? Why such reckless extravagance
given f(x)=x^2 +3 find h(x) h(x)=f(5x)-f(-2)
Graph the parabola 3x^2+6x-24
After 1880 European nations sought colonies in africa primarily because the Europeans were
Who sought to determine physical causes for natural events?
A device that scientists use to map the océan floor is