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nick974
20.09.2020 •
Mathematics
Similar triangle question
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Ответ:
Step-by-step explanation:
line A can be written as y1= 3/4.x -5/4
line B is a linear function : y2= ax +b
4a+b=7 and -a +b =3 so a=4/5 and b=19/5
so y2=4/5x +19/5
so they are not parallel
Line A goes through (0,-5/4) and (1,-1/2)
Gradient of line A = G1= (-1/2 - (-5/4))/(1-0) =3/4=0.75
Gradient of line B= G2= (7/3)/(4-(-1))=4/5=0.8