The Surface Transportation Act (US) of 1987 was the first transportation bill of the post-interstate era. It nominally gave power to apportion money to the Secretary of Transportation[?]. Most noticeably it allowed states to raise the speed limit to 65 miles per hour (105 km/h) on rural interstate highways.
... conjugates of each other. (In this case, the parabola does not intersect the x-axis at all.)
Note that when computing roots numerically, the usual form of the ...