Graph the quadratic function y = 2x2 − 6x − 140. what are the solutions of the quadratic equation 0 = 2x2 − 6x − 140?
−7 and 10
7 and 10
−2 and 70
2 and 70

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet