[解題] 國中數學 直線方程式
1.年級: 國中數學
2.科目:
3.章節:
4.題目:座標平面上有一直線L:y=ax+b,已知直線L通過(3,6)且不經過第四象限
,若直線L與兩軸圍出一個面積為12平方單位的三角形,則a+b=?
5.想法:
將點帶入直線方程式,且用三角形面積求得另一方程式,BUT解聯立求a卻
導致無解產生~故上來求助老師們~先謝老師解答~
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