Equation of circle at center (h,k) is given by
Given that center is at (5,0) that means h=5 and k=0
plug both values into above formula
...(i)
Given that circle passes through point (1,1) so it will satisfy above equation
Now plug this value of r^2 into equation (i)
which best matches with choice C
Hence is the final answer.
Y-7=-2(x-4)
y-7=-2x+8
y=-2x+15
When multiplying two binomials (expressions with two terms), you can use the FOIL method. Our two binomials are (3x - 7) and (3x - 5).
See picture. FOIL is an acronym for
First,
Outside
, Inside
, Last. Add the products of the first, outside, inside, and last terms of each binomial to multiply binomials.
For this problem:1) Multiply the
first terms, 3x and 3x.
2) Multiply the
outside terms:
3) Multiply the
inside terms:
4) Multiply the
last terms:
5) Add all the products from FOILing together:
------
Answer: D) 
Answer:
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Step-by-step explanation:
Combine like terms.
12 = -6k
divide by -6
k = -2
