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y
-=M•J:419~ ./1· : : : : : : : : : : ~=M•l:419~
PAGE 52 10 9 • • • • • •• ' j ••• PAGE 53
•••
7 •• f ••• + •••
•Lllil· t ·A·• .. ·
6 •. L-------•, ••
5 ••••••••••
" ......... . • In diagram a, all the paints
hove the same x-co-ordinote.
3 •••••••••• 'L,
True or false?
2 ••••••••••
1 ••••••••••
• What can you say about
0 x all the blue points an each
1 2 3 <I 5 6 7 8 9 10
of these diagrams?
'L, 'L,
......
dLY ecY······ .
. . . . .
. . . . . .
. . . . . .
. . . . . .
x x
rn-oo [I]
Practical: constructing squares on the top half of RM G and listing the Practical: repeating [JJ - [j] for oblongs and explaining patterns in the
co-ordinates. co-ordinates.
~ Challenge
a False
a (1,q) and (1,4) or (10, q) and (10, 4)
b Allx-co-ordinates= 0
b ( 1, 14) and ( 1, 7) or ( 15, 14) and ( 15, 7)
c All y-co-ordinates = 0
d The x- and y-co-ordinates are equal.
a yes b no c no d yes e The co-ordinates add to 5.
Open: explaining how to recognise a set of co-ordinates which form the
vertices of a square. There will be a maximum of two different numbers for
the x-co-ordinate and a maximum of two different numbers for they-co-
ordinate. Each x-co-ordinate is paired to each y-co-ordinate.