Answer:
Step-by-step explanation:
recall for a line whose equation is
y = mx + b,
the slope of this line is m
the slope of a line that is perpendicular to this line is -
in this case,
m = -
hence -=
7x-5y=-15 and -14x+7y=0 Solve by elimination
1 answer:
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Answer:
C
Step-by-step explanation:
Recall the equation for a circle:
, where the center is (h,k) and the radius is r.
The given equation is:
Another way to write this is:
Thus, we can see that h=-5 and k=-7.
The center is at (-5, -7).
To find r, first write out the equation:
Next, multiply both sides by 2:
Now, subtract both sides by 4:
Divide both sides by 3:
The answer to this problem is r = 2. Hope this helps and have a phenomenal day!
Next, multiply both sides by 2:
Now, subtract both sides by 4:
Divide both sides by 3:
The answer to this problem is r = 2. Hope this helps and have a phenomenal day!