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1.2.6 Co-ordinate geometry in the x, y plane

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A circle has radius 555. What is its diameter?

A

The half-length is 444, so the chord is 888.

B

The diameter is 101010.

C

For two non-vertical perpendicular lines, m1m2=−1\boxed{m_1m_2=-1}m1​m2​=−1​.

D

52−32=4\sqrt{5^2-3^2}=\boldsymbol{4}52−32​=4.

Card 1 of 22

1.2.6 Co-ordinate geometry in the x, y plane Flashcards

  1. A Level
  2. /Maths
  3. /1.2.6 Co-ordinate geometry in the x, y plane

22 flashcards on CCEA A Level Maths 1.2.6 Co-ordinate geometry in the x, y plane: the key formulae, methods and definitions you need to recall for AS 1, AS 2, A2 1 and A2 2.

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