Which statements are true when solving x2 = 81? A) Take the square root of both sides to solve. B) Complete the square to solve. C) Factor to solve. D) The only solution is 9. E) x = ±9

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

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?

Classify the following number. −9.070707…