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• Matrices
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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
 2-D Shapes Areas Pythagorean Theorem Distances
 Graphs Definition of slope Positive or negative slope Determine slope of a line Ecuación de una recta Equation of a line (from graph) Quadratic function Posición relativa de dos rectas Asymptotes Limits Distancias Continuity and discontinuities
 Sine Cosine Tangent Cosecant Secant Cotangent Trigonometric identities Law of cosines Law of sines
 Ecuación de una recta Posición relativa de dos rectas Distancias Angles in space Inner product

 Quadratic Equations Solve a quadratic equation by factoring To solve a quadratic equation by factoring: 1. Move all terms to the same side, so the equation is set equal to 0. 2. Factor the algebraic expression. 3. Set each factor equal to 0. (If the product of two factors equals 0, then either one or both of the factors must be 0.) 4. Solve each resulting equation. $\fs2x^2-2x=0\;\Rightarrow\;x(x-2)=0\;\Rightarrow\;x_1=0\;x_2=2$ $\fs27x^2+12x=0\;\Rightarrow\;x(7x+12)=0\;\Rightarrow\;x_1=0\;x_2=-\frac{12}{7}$ Solve $\fs16x^2+6x=0$ Solutions x1= x2=