Between which two ordered pairs does the graph of f(x) = 1/2x2 + x – 9 cross the negative x-axis?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

Which of the following graphs could represent a cubic function?

Consider the first four terms of the sequence below. what is the 8th term of this sequence?