什么’这条线的等式测验 欢迎来到您的'这条线的等式测验请输入您的电子邮件,然后单击“下一步” 电子邮件 陈述直线方程y = 2x + 1y = x + 2y = x-2什么's the equation of this liney = x + 3y = 3xy = 0什么's the equation of this linex = 3y = 3y = 2什么's the equation of this liney = 2x + 2y =-2x-2y =-2x + 2确定这条线的方程式y = 0y =-2x = 2什么's the equation of this liney =-4x-2y =-0.5x-2y = 2x-4时间到了!