不画一次函数y=1/2-2x的图像回答下列问题:1.点A(3/4,2),B(1,-3/2)是否在这个图像上?2.点(m,3)和(-2.n)在这个图像上,求出m,n的值.3.若函数y=kx-2的图像与该函数的图像都过点(a,1),求k的值.
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![不画一次函数y=1/2-2x的图像回答下列问题:1.点A(3/4,2),B(1,-3/2)是否在这个图像上?2.点(m,3)和(-2.n)在这个图像上,求出m,n的值.3.若函数y=kx-2的图像与该函数的图像都过点(a,1),求k的值.](/uploads/image/z/8811098-26-8.jpg?t=%E4%B8%8D%E7%94%BB%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0y%3D1%2F2-2x%E7%9A%84%E5%9B%BE%E5%83%8F%E5%9B%9E%E7%AD%94%E4%B8%8B%E5%88%97%E9%97%AE%E9%A2%98%3A1.%E7%82%B9A%EF%BC%883%2F4%2C2%EF%BC%89%2CB%EF%BC%881%2C-3%2F2%EF%BC%89%E6%98%AF%E5%90%A6%E5%9C%A8%E8%BF%99%E4%B8%AA%E5%9B%BE%E5%83%8F%E4%B8%8A%3F2.%E7%82%B9%EF%BC%88m%2C3%EF%BC%89%E5%92%8C%EF%BC%88-2.n%EF%BC%89%E5%9C%A8%E8%BF%99%E4%B8%AA%E5%9B%BE%E5%83%8F%E4%B8%8A%2C%E6%B1%82%E5%87%BAm%2Cn%E7%9A%84%E5%80%BC.3.%E8%8B%A5%E5%87%BD%E6%95%B0y%3Dkx-2%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8E%E8%AF%A5%E5%87%BD%E6%95%B0%E7%9A%84%E5%9B%BE%E5%83%8F%E9%83%BD%E8%BF%87%E7%82%B9%EF%BC%88a%2C1%EF%BC%89%2C%E6%B1%82k%E7%9A%84%E5%80%BC.)
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