The length of a rectangular piece of land is two feet more than three times its width. If the area of the land is , what is the width of that piece of land?

If , which pair of values for are correct?

How many x-intercepts does the following equation have?

If , which two values of are correct?

If , which two values of are correct?

If x2 + 2x - 1 = 7, which answers for x are correct?

Which of the following quadratic equations has a vertex located at ?

To use a computer at a computer lab, Tonya must pay $0.50 per hour. She spends hours at the computer lab, and pays a total amount of , where . If this equation is graphed, what does the y-intercept represent?

What is the focus of the above quadratic equation?

Find all the solutions of where crosses the line .