Hello!
The equation of a circle is
(x - h)^2 + (y - k)^2 = r^2
Put in the values we know
(x - h)^2 + (y - 7)^2 = 10^2
It went through point (3, -1)
(3 - h)^2 + (-1 - 7)^2 = 100
(3 - h)^2 + (-8)^2 = 100
(3 - h)^2 + 64 = 100
Subtract 64 from both sides
(3 - h)^2 = 36
Take the square root of both sides
3 - h = +6 or -6
Subtract 3 from both sides
-h = 3 or -9
Since h is negative we can multiply both sides by -1 to make it positive
3 = -3 or 9
The answer is B) 9, -3
Hope this helps!
I hope this helps you
3^x=3^2
x=2
(x+2)^2
x^2+2x · 2+2^2
x^2+4x+4
Answer:
Since this is a proportional relationship,
We know that the number which are proportional are a multiple of each other
the number which we can multiply one of the numbers to get the other number is the constant of proportionality
we could check for proportionality by using the following formula:
p1 / s1 = p2/s2 = p3/s3 = p4/s4 if they were equal, we can say that the relation is proportional
The value of any of the above values, p1/s1 , p2/s2 , p3/s3 , p4/s4 is the constant of proportionality
Therefore, the constant of proportionality = 20 / 5 = 4
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Step-by-step explanation:
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