Find the roots and the vertex of the quadratic on a calculator. Round all values to 3 decimal places (if necessary). y=x^2-8x-84

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h

If two points are given,then exactly one line can be drawn through those two points.which geometry term does the statement represent

What integer is equivalent to 9 3/2