Find the zeros, intercepts, and vertex. Then graph the parabola and check your solutions on the calculator.
Y-8 = x^2 +6x

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?

How many verticies does a triangular prims have