Line and circle intersections
Line and circle intersections
7 marks
TGM Original
The circle is (x-1)2+(y+2)2=25. Find its intersections with y=1, and the tangent at the intersection with positive x. Determine whether y=3 and y=4 cut, touch or miss the circle.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:\((-3,1),(5,1)\); tangent \(4x+3y=23\); \(y=3\) touches, \(y=4\) misses.
Need help? Join our JC Math tuition classes.
Learn more