The equation of a circle is x² + y² – 8x + 10y + 37 = 0. What is the center and the radius of the circle? Show all your work.
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Correct! lines that have undefined slopes are always parallel to the y-axis as the change in x is 0. A gradient is calculated by the change in y divided by the change in x and anything divided by 0 is referred to as undefined.
(calculation for a gradient)
Hope that helps sorry if its a bit confusing :)
(calculation for a gradient)
Hope that helps sorry if its a bit confusing :)