Straight line

Question 1

perpendicular bisector method

Answer 1

1. find midpoint of line opposite bisector
2. find gradient of line you just found midpoint for
3. find mperp
4. use midpoint and other unused point into equation

Question 2

altitude method

Answer 2

1. find gradient of opposite line
2. find mperp
3. Use unused point and mperp in equation

Question 3

median method

Answer 3

1. find midpoint opposite line
2. use midpoint to find gradient of M and other point
3. sub

Question 4

distance formula

Answer 4

d = square root of ( Xb - Xa ) sq + (Yb - Ya) sq

Question 5

what do parallel lines share

Answer 5

gradient

Question 6

horizontal line gradient

Answer 6

0

Question 7

vertical lines gradient

Answer 7

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