How many times does the graph of the quadratic function f(x) = x² - 9 intercept the x-axis?
1 answer:
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First, you want to get x by itself on one side. We write the equation as 
. Since 14 is being subtracted from 
, we add it to both sides to cancel it out, 
or 
.
Your answer would be D.
Your answer would be D.