Creating a Realistic Cat Drawing Using Functions on a Graphing Calculator

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SUMMARY

The discussion focuses on creating a realistic cat drawing using functions on a graphing calculator, specifically addressing issues with drawing a sideways ellipse for the cat's eye and eliminating unwanted lines on the cat's face. The user has provided several equations, including DrawF -sqrt(18-(x-5)sqd)+6 and DrawF -abs(5(x-2))+10, but is struggling with the application of the absolute value function and the manipulation of the equations to achieve the desired shapes. Key suggestions include adjusting the parameters within the square root functions to refine the ellipse and ensuring proper use of the absolute value function.

PREREQUISITES
  • Understanding of graphing calculator functions and syntax
  • Knowledge of quadratic equations and their graphical representations
  • Familiarity with the absolute value function and its implications in graphing
  • Basic skills in manipulating equations to achieve desired graphical outputs
NEXT STEPS
  • Research how to graph ellipses using functions on a graphing calculator
  • Learn about the transformations of functions, specifically horizontal and vertical shifts
  • Explore the use of the absolute value function in graphing and its effects on shapes
  • Investigate techniques for removing unwanted lines in graphical representations
USEFUL FOR

This discussion is beneficial for students and educators involved in mathematics, particularly those interested in graphical representations using graphing calculators, as well as artists seeking to understand mathematical functions for realistic drawing techniques.

naskas
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Homework Statement


Uhmm i just started this project where i have to make a picture using functions on a graphing calcutator I am doing a kitty kat so far I am stuck on two things once is making a sideways elipse inside the eye so the cat looks more realistic another is getting rid of the lines going through the face of my cat some suggestions to fix these would be nice


Homework Equations


here are the equations i have so far
fyi there are a lot
: Clr Draw
: DrawF -sqrrt(18-(x-5)sqd)+6
:DrawF sqrt(18-(x-5)sqd)+4
:DrawF √1.2-(x-3)sqd)+6
:DrawF-√1.2-(x-3)sqd)+6.5
:Line (4,3,5,4)
:Line (6,3,5,4)
:Line (5,5,5,4)
:DrawF -√1.2-(x-7)sqd)+6.5
:DrawF √1.2-(x-7)sqd)+6
:DrawF -abs(5(x-2))+10
:DrawF -3(x-2)sqd)+3.4
:DrawF(-abs(4(x-2))+9.5)/(x≥1.323)/(x≤2.426)* trouble with this one
:DrawF(-abs(5(x-8))+10* work in progress
:Line (7,4,8,5)
:Line (3,4,2,5)
:Line (2,3,3,4)
:Line (8,4,7,4)
:Line (3,4,2,3)
:Line (7,4,8,3)
:DrawF -3(x-8)sqd+3.4
Doneee

The Attempt at a Solution


confused with the abs function i did it the way they showed us in the book and it still doesn't work also making a sideways elipse i was told to switch the values that make them move left,right up,down but that would mean i would have to move the thing under the root right?:confused:
 
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what i mean is if i move the root for example the first one -sqrrt(18-(x-5)sqd)+6 if i move root 18 and switch it with -5 wouldn't i have to move the whole root so how could i do that without changing the elipse too drastically
 

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