Question

An archway is modeled by the equation y = -2x2 + 8x. A rod is to be placed across the archway at an angle defined by the equation x − 2.23y + 10.34 = 0. If the rod is attached to the archway at points A and B, such that point B is at a higher level than point A, at what distance from the ground level is point B?

8 units

6 units

5 units

3 units

Answer 1

@Radelp

Answer 2

\[-2x^2\]? or -2x2?

Answer 3

first one

Answer 4

hurry i gotta leave

Answer 5

Its not A

Answer 6

b

Answer 7

Im gonna retake it again. Im doing a different test right now