Which of these is a point-slope equation of the line that is perpendicular to y – 3 = 4(x – 10) and passes through (–3, 7)? a. y + 7 = –(x – 3) b. y – 7 = –4(x + 3) c. y – 7 = –(x + 3) d. y + 7 = 4(x – 3)

So, we know the slope of the original equation is 4.  So the perpendicular slope is the negative reciprocal, so it's -1/4.  Then, the points have to be -3, 7.  So when we plug that into our equation, we get

definition: a circle is the  set of all points in a plane that are equidistant  from a given  point  called the center of the circle. we use the symbol ⊙ to represent a circle. the a line segment from the center of the circle to  any point  on the circle is a radius of the circle.

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i googled it and this is what i got i don't know how it is. sorry.

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