Algebra › Discriminants and roots

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A quick way to tell how many solutions a quadratic has

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Algebra
Geometry
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Learn about functions, graphs, lines, and polynomials. "Algebra" is the math for describing how different things are related.
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Addition and subtraction
Multiplication and division
Factoring
Fractions
Powers and roots
Rules for powers
Solving equations
Inequalities and simultaneous equations
Coordinates
Slope
Lines
Polynomials
Quadratics
Quadratic equations
Sometimes, equations can have two solutions
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Graphing a parabola
Plot points to draw your very first parabola
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Graphing quadratics
Every quadratic graph boils down to these 3 numbers
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Factoring quadratics
An extremely useful trick for solving some equations
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The quadratic formula
A method for solving ANY quadratic equation!
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Discriminants and roots
A quick way to tell how many solutions a quadratic has
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