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cestrela7 [59]
3 years ago
5

A circle is centered at N(-6, -2). The point E(-1,1) is on the circle.

Mathematics
2 answers:
galina1969 [7]3 years ago
6 0

Answer:

Outside the circle

Step-by-step explanation:

Let's first write the equation of this circle: (x-h)^2+(y-k)^2=r^2, where (h, k) is the center and r is the radius. Here, the center is (-6, -2). We need to find the radius, which will just be the distance from N to E:

NE = \sqrt{(-6-(-1))^2+(-2-1)^2} =\sqrt{25+9} =\sqrt{34}

The radius is √34, which means that r² = 34. So, our equation is:

(x + 6)² + (y + 2)² = 34

Plug in -10 for x and -7 for y:

(x + 6)² + (y + 2)² = 34

x² + 12x + 36 + y² + 4y + 4 = 34

x² + 12x + y² + 4y + 40 = 34

x² + 12x + y² + 4y + 6 = 0

(-10)² + 12 * (-10) + (-7)² + 4 * (-7) + 6 = 7

Since 7 > 0, we know that H lies outside the circle.

Airida [17]3 years ago
4 0

Answer:

Outside the circle

Step-by-step explanation:

Radius: NE

sqrt[(-10--6)² + (-7--2)²]

sqrt(34)

Distance NH

sqrt[(-1--6)² + (1--2)²]

sqrt(41)

Distance NH > radius,

So outside the circle

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