SOLUTION: I need to graph the function y =f(x) = x^2. How to do? Thank you.

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Question 170006: I need to graph the function y =f(x) = x^2. How to do?

Thank you.

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Table of Contents:


Jump to Table
Jump to Graph


In order to graph , we need to plot some points.


Let's find y when
(Note: you can start with any x-value):


Start with the given equation.


Plug in .


Square to get .


So when , then .


So we have the point .


----------------------------------------------------


Let's find y when :


Start with the given equation.


Plug in .


Square to get .


So when , then .


So we have the point .


----------------------------------------------------


Let's find y when :


Start with the given equation.


Plug in .


Square to get .


So when , then .


So we have the point .


----------------------------------------------------


Let's find y when :


Start with the given equation.


Plug in .


Square to get .


So when , then .


So we have the point .


----------------------------------------------------


Let's find y when :


Start with the given equation.


Plug in .


Square to get .


So when , then .


So we have the point .


----------------------------------------------------





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Now let's make a table of the values we just found.


Table of Values:


xy
-24
-11
00
11
24

Now let's plot the points:







Jump to Top of Page

Graph:


Now draw a curve through all of the points to graph :


Graph of

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