How do you graph the function xy + 16 = 0?

1 Answer
Alan P.
Aug 28, 2015

For a collection of values of x_i solve for y_i); plot the pairs (x_i,y_i) and connect. Note neither x nor y can equal 0

Explanation:

Sample plot values:
color(white)("XXX"){:(x," ",y), (-8,,+2), (-4,,+4), (-2,,+8), (-1,,+16), (+1,,-16), (+2,,-8), (+4,,-4), (+8,,-2) :}

graph{-16/x [-22.8, 22.83, -11.4, 11.4]}

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