1.3 intercepts, symmetry, graphing key equations
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Last updated 3:29 AM on 7/11/24
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finding intercepts algebraically
to solve for x, let y=0, do the same for y
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finding intercepts algebraically AGAIN
use factoring binomial method to find x intercepts
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test for symmetry RULES
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1.
Replace y with -y and simplify. If the value is equal, it's symmetric w.r.t x-axis
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2,
Replace x with -x and simplify. If the value is equal, it's symmetric w.r.t y-axis
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3.
Replace x and y with -x and -y and simplify. If the value is equal, its symmetric w.r.t the origin.
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IMPORTANT FOR SYMMETRY! LAST RULE
If w.r.t x and w.r.t y works, THE ORIGIN IS ALSO SYMMETRIC!!
Note 
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