Answer:

Step-by-step explanation:
Equation of the Quadratic Function
The vertex form of the quadratic function has the following equation:

Where (h, k) is the vertex of the parabola that results when plotting the function, and a is a coefficient different from zero.
It's been given the vertex of the parabola as (-2,18):

Now substitute the point (-5,0) and find the value of a:

Operating:


Solving for a:

a = -2
Thus, the equation of the quadratic function is:

Answer:
Angle 7 and 8 (the first option)
Step-by-step explanation:
Supplementary angles add up to 180 degrees.
Angles 7 and 8 are 180 degrees total.
7 and 8 are supplementary.
1st option
Brainliest plz if someone else answers
Answer:
-4 + 9
9- 4
Step-by-step explanation: