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 Suma y resta Producto por escalar Producto Inversa
 Monomials Polynomials Special products Equations Quadratic equations Radical expressions Systems of equations Sequences and series Inner product Exponential equations Matrices Determinants Inverse of a matrix Logarithmic equations Systems of 3 variables equations
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 Graphs Definition of slope Positive or negative slope Determine slope of a line EcuaciÃ³n de una recta Equation of a line (from graph) Quadratic function PosiciÃ³n relativa de dos rectas Asymptotes Limits Distancias Continuity and discontinuities
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 EcuaciÃ³n de una recta PosiciÃ³n relativa de dos rectas Distancias Angles in space Inner product

 Integer inequalities with absolute values Find the set of solutions for |x|<5. We are looking for those integers x whose distance from the origin is less than 5 units. Obviously we are talking about the set {-4,-3,-2,-1,0,1,2,3,4}. The inequality will be true if x has any value between -5 and 5. Find the set of solutions for We are looking for those integers x that are at least 2 units away from the origin. Obviously we are talking about the set {...,-5,-4,-3}U{3,4,5,...}.