Answer:
−a^2 b^2 + 2a + 2b
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a^2
Step-by-step explanation:
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Answer:
y=-1/2x+17
Step-by-step explanation:
y=-1/2x+17
Answer:
14$ per sweater
Step-by-step explanation:
264 - 96 = 168
168 / 12 = 14
Answer: 
Step-by-step explanation:
The equation of a circle in the general form is:

The equaton of a circle in standard form is:

Where the center is at <em>(h, k)</em> and <em>r</em> is the radius
To write the equation of a circle from general form to standard form, you must complete the squaare, as you can see below:
1- Given the equation in general form:

2- Complete the square:
-Group the like terms and move the constant to the other side.
- Complete the square on the left side of the equation.
- Add the same value to the other side.
Then you obtain:
