抛物线y=ax2+bx+c与x轴相交于点B(-3,0),C(1,0),与y轴交于点A(0,-3),O为坐标原点.点M为y轴上一动点,当点M运动到使∠OMC+∠OAC=∠ABC时,AM的长度为多少?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 21:46:57
![抛物线y=ax2+bx+c与x轴相交于点B(-3,0),C(1,0),与y轴交于点A(0,-3),O为坐标原点.点M为y轴上一动点,当点M运动到使∠OMC+∠OAC=∠ABC时,AM的长度为多少?](/uploads/image/z/12976704-0-4.jpg?t=%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax2%2Bbx%2Bc%E4%B8%8Ex%E8%BD%B4%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9B%EF%BC%88-3%2C0%EF%BC%89%2CC%EF%BC%881%2C0%EF%BC%89%2C%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9A%EF%BC%880%2C-3%EF%BC%89%2CO%E4%B8%BA%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9.%E7%82%B9M%E4%B8%BAy%E8%BD%B4%E4%B8%8A%E4%B8%80%E5%8A%A8%E7%82%B9%2C%E5%BD%93%E7%82%B9M%E8%BF%90%E5%8A%A8%E5%88%B0%E4%BD%BF%E2%88%A0OMC%2B%E2%88%A0OAC%3D%E2%88%A0ABC%E6%97%B6%2CAM%E7%9A%84%E9%95%BF%E5%BA%A6%E4%B8%BA%E5%A4%9A%E5%B0%91%3F)
抛物线y=ax2+bx+c与x轴相交于点B(-3,0),C(1,0),与y轴交于点A(0,-3),O为坐标原点.点M为y轴上一动点,当点M运动到使∠OMC+∠OAC=∠ABC时,AM的长度为多少?
抛物线y=ax2+bx+c与x轴相交于点B(-3,0),C(1,0),与y轴交于点A(0,-3),O为坐标原点.点M为y轴上一动点,当点M运动到使∠OMC+∠OAC=∠ABC时,AM的长度为多少?
抛物线y=ax2+bx+c与x轴相交于点B(-3,0),C(1,0),与y轴交于点A(0,-3),O为坐标原点.点M为y轴上一动点,当点M运动到使∠OMC+∠OAC=∠ABC时,AM的长度为多少?
AM=1或5