Answer:
the slope is 1/2
Step-by-step explanation:
We have the following:
To organize the number from least to greastest, we must look at the decimals in this case, since they all start with 6

Therefore the order of the numbers is
Count from the origin to the center of the parabola. You will notice that there are 4 units.
So, the axis of symmetry is the line x = 4. The equation x = 4 cuts the parabola exactly in half.
Step-by-step explanation:
Really really sorry if I'm wrong...
<u>Y2 -Y1</u>
X2 - X1
<u>-20 - - 8</u>
-9 - -5
<u>-12</u>
-4
(simplified): <u>-3</u>
-1