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). Treat 6ny inequality ike an eqpation : dome a tym, do the opposite Whatever ypu Jot one ade, your must oo © ihe other TE gou email or divide by 0 negehive number, you must Fig He inerpality AO Zz—7 = An+4 =s y Qx<4 <2 AQUI 4+ 24% 22> 26x-3 BS > 20x 33 55 Zz 38 X= 26 Tre quality on number lines zed cannot be . aa 2 ©) \ 2 % Y Ss Za2is @ > — 1d ‘iS 20 2s 30 { +—__+—_+_+ Suded w= & OF = —Ue22xr2 2x+12<% _~C€ 42x 2xeU ~32x xe2 —o—_|___———O O > -5 4 3-2-1 ottdszs4s —3e—x <2 s) u>S x: xsi b) SS Jy: x2-3l c) -4Y=2x-<2 ‘3 5 ,uerxen! Ve! 5 OX *4+bux4C ~ TE ais positive -U Shape re a is negate — (\ Shape 2. Solve +e gqpedahC ( factorising) y= x2 +-2 Sorting pak L-ilercepts yO -20" 4 Ux+6 6)o / | - shap& Nyon th ~2x*44x +e =O —-2 (x°-2x-3)=O -2 ( x-3)(%+!) =O _ 32 x75