13. What are the coordinates of the vertex of y = -x^2-8x+2?
(4, 2)
(4, 18)
(4, 46)
(4, 2)
18. Which values best approximate the solutions of 3.2x^2-2x+1.3 = 0?
0
1.3
0 and 1.3
no real solutions
(4, 2)
(4, 18)
(4, 46)
(4, 2)
18. Which values best approximate the solutions of 3.2x^2-2x+1.3 = 0?
0
1.3
0 and 1.3
no real solutions
-
13. (-4,18) (Unless you mistyped the question)
18. No real solution. The graph has no zero's.
18. No real solution. The graph has no zero's.