Answer: It would be 7. (0,7)
Answer:
Vertex form:
The vertex is 
Step-by-step explanation:
For a general quadratic function the form is:
For the function
The values of the coefficients for the function are the following:
,
,
Take the value of b and divide it by 2. Then, the result obtained squares it.
Add and subtract
Write the expression of the form
The vertex is 
Answer:
180-30
=150
Step-by-step explanation:
subtract whole area with degree given
The slope of this line is 1/3
Answer:
18π or 56.5 (1 d.p) feet squared
Step-by-step explanation:
As the formula for the area of a semi circle is πr²/2 as the area of a circle is πr² so the area would be 18π or 56.5 (1 d.p)