AS/year 12 mathematics - Equation of a Circle & Intersecting Lines (1 of 3: Circles)

00:00 - midpoint formula & perpendicular lines
3:23 - the equation of a circle
7:05 - example questions
12:58 - the distance formula
14:44 - exam style question
18:25 - intersecting straight lines and circles
19:57 - example questions
22:24 - exam style question
28:44 - homework problems

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Homework solutions:
1. (x-3)^2+(x-6)^2=100

2. (-7,2) and (4,-9)

3. k=-20±√(105)

Give yourself a pat on the back if you got all three correct 😀 🤓 👍