Write a quadratic function in standard form whose graph has x-intercepts at 1 and -1

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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