Sketch 9 red counters and 4 counters. How many zero pairs can you make? How many counters do you have after removing the zero pairs? What do they represent?

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters