kak tolong besok dikumpulinngasal report

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kak tolong besok dikumpulinngasal report​

MiFRA26 · Accepted Answer

Jawab:11.[tex]x^{2} +8x+12=0\(x+2)(x+6)=0\x+2=0|x+6=0\x=-2|x=-6\HP = (-6,-2)[D.][/tex]12.[tex]y^{2}+3y+2=0\ (y+1)(y+2)=0\y+1=0|y+2=0\y=-1|y=-2\Hp=(-2,-1)(D.)[/tex]13.[tex]x^{2} -4x+4=0\(x-2)(x-2)=0\x-2=0|x-2=0\x=2|x=2\hp=(2,2)[D.][/tex]14.[tex]y^{2}-7y+12=0\(y-4)(y-3)=0\y-4=0|y-3=0\y=4|y=3\hp=(3,4)[A.][/tex]15.[tex]t^{2} +5t-14=0\(t+7)(t-2)=0\t+7=0|t-2=0\t=-7|t=2\hp=(-7,2)[A.][/tex]16.[tex]p^{2}+2p-15=0\ (p+5)(p-3)=0\p+5=0|p-3=0\p=-5|p=3\hp=(-5,3)[B.][/tex]17.[tex]x^{2} -3x-40=0\(x+5)(x-8)=0\x+5=0|x-8=0\x=-5|x=8\hp=(-5,8)[B.][/tex]18.[tex]y^{2}-3y-28=0\ (y+4)(y-7)=0\y+4=0|y-7=0\y=-4|y=7\hp=(-4,7)[C.][/tex]19.[tex]3x^{2} +7x-6=0\(3x-2)(x+3)=0\3x-2=0|x+3=0\3x=2|x=-3\x=rac{2}{3} \hp=(-3,rac{2}{3} )[C.][/tex]20.[tex]2y^{2}+15y+7=0\ (2y+1)(y+7)=0\2y+1=0|y+7=0\2y=-1|y=-7\y=-rac{1}{2}\ hp=(-7,-rac{1}{2} )(A.)[/tex]

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