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y2-y1 x2-x1
y+2 = x-3 = y +2 = x-3
1+2 4-3 3 1
y+2 = 3 (x-3)
y + 2 = 3x-9
y = 3x - 9 -2
y = 3x-11
13. K = 2p +2l =62
2(5+l) + 2l =62
10 + 2l + 2l = 62
10 + 4l = 62
4l= 62-10
4l = 52
l = 13 m
maka, p = 5+l = 5 +13 =18 m
L.persegi p. = p x l
= 18 x 13
=234 m
14. 10 - 2x² = 10 - 2 (-4)²
= 10 - 32
= - 22