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Functions and Graphs, SMB-020

A circle has centre `(5,3)` and radius 3.

  1.  Describe, with inequalities, the region that consists of the interior of the circle and more than 2 units above the `x`-axis.  (2 marks)

    --- 4 WORK AREA LINES (style=lined) ---

  2.  Sketch the region.  (1 mark)

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Show Answers Only

i.    `(x-5)^2 + (y-3)^2 < 9\ ∩\ y > 2`

ii.    
       

Show Worked Solution

i.   `text(Equation of circle:)`

`(x-5)^2 + (y-3)^2 = 3^2`
 

`:.\ text(Region is:)`

`(x-5)^2 + (y- 3)^2 < 9\ ∩\ y > 2`

COMMENT: The broken line on the graph represents an excluded boundary.

 

ii.   

Filed Under: Functions and Other Graphs Tagged With: num-title-ct-extension, smc-4244-85-Non-linear inequalities

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