Draw the diameter from point (-1, -5) to point (2, 3).
The triangle has base 3 and height 8.
The diameter of the semicircle is the hypotenuse of the triangle.


The radius is half the diameter.

The total area is the area of the triangle plus the area of the semicircle.


The answer is a 2. Because x goes up by +2 and y goes up by x2
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Answer:

Step-by-step explanation:
Vertex form of a quadratic is given by:

Where (h, k) is the vertex and <em>a</em> is the leading coefficient.
We are given that the vertex is (3, 1). Hence, <em>h</em> = 3 and <em>k </em>= 1. By substitution:

We are also given a point (2, -6). This means that when <em>x </em>= 2, <em>f(x)</em> = -6. Hence:

Solve for <em>a</em>. Subtract:

Simplify:

Therefore:

Hence, our quadratic is:

Four-hundred seventy-five and 86/100
475.86 <==