Use the quadratic equation to answer the questions below. y=-22 – 8x +1 8 Express the equation in vertex form. • Show how the vertex form is determined. • Find the coordinates of the minima. • Explain how to determine the coordinates.

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?