2 years ago

Which equation represents a circle with a center at (2, -7) and a radius of 4 units?

Mathematics

2 answers:

pogonyaev2 years ago

6 0

Answer:

(x-2)²+ (y+7)²=16

Bezzdna [24]2 years ago

3 0

Answer:

(x+3)^2+(y-5)^2=16

Step-by-step explanation:

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3 years ago

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Help please! Identify an equation in point slope form for the line perpendicular to Y =-4x + 8 that passes through (-2, 7)

777dan777 [17]

Answer:

D. $y-7=\frac{1}{4}(x+2)$

Step-by-step explanation:

The point-slope form of a line is given by:

$y-y_1=m(x-x_1)$

The line given to us has equation; $y=-4x+8$ .

The slope of this line is -4. The of the line perpendicular to this line is the negative reciprocal of the slope of the given line.

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