What is the equation in slope intercept form of the line that passes through the point (2,-2) and is perpendicular to the line b
2 answers:
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, or 8.60
Just use the distance formula
If is a factor of the polynomial, it means that
is a root of the polynomial.
In fact, if a polynomial has a root
(i.e.
), then the polynomial is divisible by
In your case, you know that the polynomial is divisible by , so
is a solution.
Let's evaluate and set it to zero:
We can check the answer: if the polynomial becomes
And we're claiming that is a root of this polynomial: