Answer:

Explanation:
<u>Given Expression</u>:
Use the Quadratic Formula:

<u>insert coefficients</u>





The slope would be positive in this case
Answer:
-0.5
Step-by-step explanation:
Use the average formula:
Sum of all numbers/Number of items
6 + (-7) / 2
= -1/2
So, the number in the middle of -7 and 6 is -0.5