Find the factors from the roots, then multiply the factors together.
y
=
x
2
−
21
x
+
104
The GCF is 3x so we have:-
3x(x^2 - 4x - 9) <---- answer
Arc length = radius * central angle (in radians)
central angle = arc length / radius
central angle = 7 / 7
central angle = 1 radian
central angle = 57.296 degrees
