Flashcards
The Circle
Cards in this deck (12)
- 1What kind of circle has the equation:
- 2What kind of circle has the equation:
- 3What kind of circle has the equation:
- 4How do you find the equation of a circle?Remember, you do not need to expand the brackets.
- 5How can you show that an equation does not represent a circle?Try to find the radius - you should be left with the square root of a negative number, or zero.
- 6How do you find where a line meets a circle?Rearrange the line into the form y = or x = (whichever is easier) then substitute this into the circle and solve.
- 7How do you show that a line is a tangent to a circle?
- 8How do you show that a line does not meet a circle at all?
- 9What is a common tangent?A line which is a tangent to two circles.
- 10How do I show that two circles touch externally?Show that the distance between the two centres is equal to the sum of the two radii.
- 11What is meant by congruent circles?Circles that are the same size.
- 12What is meant by concentric circles?Circles with the same centre.
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- Higher Maths Flashcards on The Circle, created by Meg McAteer on 12/04/2016.
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- Meg McAteer
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