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  1. Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

  2. Interactive, free online graphing calculator from GeoGebra: graph functions, plot data, drag sliders, and much more!

  3. QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students. The algebra section allows you to expand, factor or simplify virtually any expression you choose.

  4. x2-3x+4=2x2-7x-8 Two solutions were found : x = 6 x = -2 Reformatting the input : Changes made to your input should not affect the solution: (1): "x2" was replaced by "x^2". 1 more ...

  5. Free Equation Solver helps you to calculate linear, quadratic and polynomial systems of equations. Answers, graphs, roots, alternate forms.

  6. Draw, Scan, Solve, and Learn! Solve long equations, draw in landscape! See how to solve problems and show your work—plus get definitions for mathematical concepts. Instantly graph any equation to visualize your function and understand the relationship between variables.

  7. Select a few x x values, and plug them into the equation to find the corresponding y y values. The x x values should be selected around the vertex. Tap for more steps... Graph the parabola using its properties and the selected points.

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