<span>Use the Pythagorean theorem for the right triangle 
where
is the hypotenuse of the triangle;
and 
are the other two sides.
So,
</span>
So,
</span>
58.21 + ( -139.58 ) Do I do KCO?
2 answers:
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Equations don't really have x intercepts, functions or curves do. They're also known as the zeros of the function. When we set a function equal to zero we get an equation to solve, and the zeros of the function become the solutions or roots of the equation.
If a quadratic equation only has one root, that's a repeated root corresponding to a discriminant of zero.
In this example our equation is something like , or expanded
The discriminant here is