The basic module of vocational mathematics Vol.1 "Quadary Inequality of One Unary" ppt1, the solution of quadratic inequality of unary 2, image of quadratic function of unary, the relationship between the root of quadratic equation of unary and the solution set of quadratic inequality of unary The relationship between linear functions, linear equations of one variable, and linear inequalities of one variable, the solution set of linear inequalities of one variable can be obtained by observing the image of the linear function.
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