Answer:
A
Step-by-step explanation:
Answer:
(x + 2)^2 + (y - 1)^2 = 2^2
Step-by-step explanation:
The equation of this circle is
(x + 2)^2 + (y - 1)^2 = r^2, and we are to determine the values of r^2 and r by substituting -4 for x and 1 for y:
(-4 + 2)^2 + (1 - 1)^2 = r^2, or:
(-2)^2 = r^2, or
4 = r^2
Then r = 2.
The desired equation is:
(x + 2)^2 + (y - 1)^2 = 2^2
Answer:
y = 5
Step-by-step explanation:
1. This line is horizontal, because the y-coordinate never changes.
2. The equation for a horizontal line is y = (y-coordinate)
3. The y-coordinate is always 5, so the equation is y = 5.
Answer:
8 for $2.08
Step-by-step explanation:
