Find the equation of the parabola that has zeros of x=-1 and x=3 and a y intercept of (0,-9)

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Give all possible names for the line shown.calculation tip: lines can be written with either point first.