Mathematics
Junior High
๐๐๐๐๐ปโโ๏ธ
4๏ธโฃใฎ๏ผ1๏ผใ๏ผ3๏ผใๆใใฆใใ ใใ๐๐โโ๏ธ
่งฃ็ญใจ่งฃ่ชฌใ่ผใใฆ้ ใใใจๅฉใใใพใ๐ฆ๐๐๐ป
ๅฎใใใ้กใใใพใ(โแดอหฌแดอ)โจ๏ธ
4 ๅณใฎๅณใฎใใใซ,็ด็ทlใฏ2็นA,Bใงๆพ็ฉ็ทy=axใจ
ไบคใใใ็ด็ทใฏ2็นB, Cใงๆพ็ฉ็ทy=ax2 ใจไบคใใใ็น
Aใฎๅบงๆจใฏ (-6, 18), ็นB ใฎxๅบงๆจใฏ4, ็นCใฎxๅบงๆจใฏ
-2ใงใใใ ็นDใฏ,็ด็ทly่ปธใจใฎไบค็นใงใใใใพใ,
็นEใฏ็ด็ทไธใซใใฃใฆxๅบงๆจใ่ฒ ใฎ็นใงใใใ
ใใฎใจใ,ๆฌกใฎๅๅใซ็ญใใใ
(1) ฮฑใฎๅคใๆฑใใใ
(2) ็ด็ทlใฎๅผใๆฑใใใ
SE
AHOROSKOOLHO
E
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(3) โณDECใฎ้ข็ฉใจโณDACใฎ้ข็ฉใ็ญใใใจใ, ็นEใฎๅบงๆจใๆฑใใใ
ID
y=ax2
GAS RECOME A Boa t
โณ
x
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