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10 Draw a graph to represent each of the following equations: a) x + y = 4 b) x + y = -7 c) x−y = 8 d) x-y = -4
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6 stepsIli kuchora grafu ya milinganyo hii, tunahitaji kupata pointi mbili au zaidi kwa kila mlinganyo, kisha tuchore mstari unaopita kwenye pointi hizo.
Part a· 2 steps
Tafuta pointi mbili.
Ili kurahisisha, tunaweza kuweka ili kupata , na kisha kuweka ili kupata .
Kama :Hivyo, pointi ya kwanza ni .
Kama :
Hivyo, pointi ya pili ni .
Chora grafu.
Chora mfumo wa kuratibu wa . Weka alama kwenye pointi na . Kisha, chora mstari ulionyooka unaopita kwenye pointi hizi mbili. Huu ndio uwakilishi wa grafu wa mlinganyo .
Part b· 2 steps
Tafuta pointi mbili.
Kama :
Hivyo, pointi ya kwanza ni .
Kama :
Hivyo, pointi ya pili ni .
Chora grafu.
Chora mfumo wa kuratibu wa . Weka alama kwenye pointi na . Kisha, chora mstari ulionyooka unaopita kwenye pointi hizi mbili. Huu ndio uwakilishi wa grafu wa mlinganyo .
Part c· 2 steps
Rahisisha mlinganyo.
Ongeza pande zote mbili za mlinganyo:
Tafsiri matokeo.
Mlinganyo ni kauli ya uongo. Hii inamaanisha kuwa hakuna thamani ya inayoweza kufanya mlinganyo huu kuwa kweli. Kwa hivyo, mlinganyo huu hauna suluhisho na hauwezi kuwakilishwa na grafu kwenye mfumo wa kuratibu wa .
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