If an object is dropped from a height of 55 feet, the function d =-16t^2+ 55 gives the height of the object after t seconds. Graph this function. Approximately how long does it take the object to reach the ground (d = 0)?

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

What is the measure of angle afe? 79 81 91 99

What does x = in this equation x+3+2x=x+5