Find the following from the parabola below
2) axis of symmetry
3) vertex
4) domain
5) range
Use x=-b/2a to find the axis of symmetry and x-coordinate of vertex
Parabola: y=x^2-10x+5

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?