There are three ways a line and a circle can be associated, ie the line cuts the circle at two distinct points, the line is a tangent to the circle or the line misses the circle. To work out which ...
A point on a grid has two numbers to identify its position ... Step 1 - Go along the x-axis to see which number the circle is in line with - 3. Step 2 - Now see which number the circle is opposite ...
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