First off, you're going to end up with 2 answers.
Alright so you have:

You'll want to multiply both sides by b²
You'll end up with:

Multiply both sides by

Now you should have:

Subtract 750b^2 from both sides.
Now:

Factor the left side of the equation:

Set both factors to 0:

Your Answers:
b = 0 or b =
Answer: -16
Step-by-step explanation:
y + 7 = -9
-9 - 7 = -16
-16 + 7 = -9
Answer:
here is the correct answer
Vertex: (-5.5, 0)
The Y-Intercept is: (0, 726)