Page 19 - الرياضيات الأساسية كتاب الطالب للصف 11 الفصل 1

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vaq -%ra

yNy 1 a ` q-a q jx fa q , Nfa

Equations, Inequalities, and Quadratic Functions

¤û= ³P b ± ÑQ d _Û94
˜^ ±b c ¯ ^=9 ± ϱP C “D= R ³¹C ¯ c ¯ ¶C d ± E;:1 ’ E=4= R ´„¹C4 Û^ Ù ›-›

˜“^ ±b c ¯ ^=9 ±’ E=4= R E ¹C4 Ò E= Û 2 E ¹C4 ` Û :1 d ± E= Š± ´„¹C4: ± ` C Õ Ò¼ Û^ Ù œ-›
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E=7=7 ± “»ÒQ ±’ »Q ± ´±º Ê • ½ ² • ½­ ½ ¤¹ E=4= R ± E ±P9 ÓR50 ± E:=7 ± Ò­ c:34 ± E:=7 ± P Ú -›
˜^ C: ± ϱP C Ò
.E=4= R EÛ ±¹ “½’ ¹ G= c; ;: ± _ R “½’¹ Ê ÓR50 ± E:=7 ± Ò­ c:34 ± E:=7 ± ÏP ž-›
˜E=4= R ´C; C : Îb9 ± E b: P Ú Ÿ-›
˜E=4= R E ±¹ “½’¹ G= š § “½’¹ Îb9 ¹P P P S=:: ± ÏP -›

˜“^ ±b c ¯ ^=9 ±’ E= Û 2 E ¹C4 Ò E=4= R E ¹C4 ` Û :1 d ± EÛ= Š± ´„¹C4: ± ` ¶ÒS Îb9 ± ¹P ¹ÛP ¡-›
˜ÐC4 C7 „ Ò­ `=Ø 27 Ò­ E27 P; ÐC=7 9 d4= R c; ; Ò _=7 X ÐC ±º¯ C ¹ÛP ¢-›
û ±b: ± ^ –E= b= ± ³C= ± ` û ±b d E=hC » ´ = : E=4= R ± αÒP ±Ò ´C; C : ±Ò ´„¹C4: ± R Û 6 Ò \Û 2 £-›
ÁC: M±Ò ÎC8 M± _ »’ _=:0 ±Ò E=Û;6 ± û ±b: ±Ò “±Q8 –E698 ± –N R ±’ E »C ± ´C7= 2 ± –“E R ±’ E=gC S=6 ±
˜“d C ­ ^8/ E=4= R ± αÒP ±Ò ´C; C : ±Ò ´„¹C4: ± ϱP C