#3- 4
#4- 2/3
#5- -5
#6- 2/5
#7- -1/4
#8- -5/7
#9- -4/6
#10- 0
#11- undefined
I'm not sure if these are all right...
The <u>/</u> means that it is a fraction
Some fractions your may need to simplify
123 I think but let me know if it's right
Answer:
(x-5)²+(y-2)²=52
Step-by-step explanation:
first find the midpoint (center of the circle)
(9+1)/2, (-4+8)/2
(5, 2) = center
then distance formula to find diameter
√(9-1)²+(-4-8)²=√64+144 = √208 = 2√52
The radius is half the diameter = √52
Formula for circle is (x-h)²+(y-k)²=r², where (h, k) is the center
Now you can plug everything in.
(x-5)²+(y-2)²=52
Answer:
you multiply both sides by 2.
Step-by-step explanation:
Im in advanced math and we have been doing this for a while.
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a )
Two solutions.
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b )
One solution .
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c )
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d )
One solution.
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e )
Two solutions.
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f )
Two solutions .
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