3 years ago

Which of the following is the equation of a circle with a radius of 10 cm and center at (–3, 6)?

1 answer:

5 0

The equation of a circle is (x - h)² + (y - k)² = radius² where (h, k) is the ordered pair for the center.

(x - (- 3))² + (y - 6)² = 10²

(x + 3)² + (y - 6) = 100

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nignag [31]

The slope-point formula:

$y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}$

We have (3, -5) and (-8, 4).

Substitute:

$m=\dfrac{4-(-5)}{-8-3}=\dfrac{9}{-11}=-\dfrac{9}{11}\\\\y-4=-\dfrac{9}{11}(x-(-8))\\\\y-4=-\dfrac{9}{11}(x+8)\to C)$

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3 years ago

Alex73 [517]

Answer:

SAS Reflective property

Step-by-step explanation:

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blagie [28]

16. It's basically the problem you started with, but just reversed.

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MA_775_DIABLO [31]

Lets solve for a
ax+b=x+c
step 1:add -b to both sides
ax+b-b=c+x+-b
step 2:divide both sides
ax=-b+c+x
ax/x=-b+c+x/x
a=-b+c+x/x
answer:
a=-b+c+x/x

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3 years ago

Vadim26 [7]

271.

Hope this helped!

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