a
( a - h a q i q i y son) ga teng b o 'lg a n b arch a n u q ta la r to 'p la m i
Oy
o 'q ig a parallel b o 'lg a n va u n d a n |a| m aso fa d a o 'tu v c h i
x = a
to 'g 'r i
chiziqqa tegishlidir (7-rasm ).
4) N o ld a n farqli bir xil o rd in a ta li b a rc h a
n u q ta la r abssissalar
o 'q ig a parallel to 'g 'r i chiziqqa tegishli b o 'lad i. M asalan, o rd in atalari
b (b -
b iro r haqiqiy son) ga teng b o 'lg a n b a rc h a n u q ta la r to 'p la m i
Ox
o 'q ig a parallel b o 'lg a n va u n d a n
\b\
m a so fa d a
y o tuvchi
у
=
b
t o 'g 'r i ch iziqqa tegishlidir (7-rasm ).
5) K o o rd in a ta la r
tekisligidagi
A
(x,;
y x)
va
В (x 2; y 2)
n u q ta la r
orasid ag i
m aso fa
ifoda o rq ali to p ilad i (8-rasm ).
x + x
A (x ^ y ^ B
(x2;
y
2) kesm a o 'rta s in in g k o o rd in a ta la ri
xQ
= —^— >
У
+
У
о
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