Quadratics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| quadratic | Algebra. involving the square and no higher power of the unknown quantity; of the second degree.
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| Discriminant | b² - 4ac
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| Parabola | the graph of a quadratic function is u-shaped
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| vertex | the highest or lowest point on the parabola
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| axis of symmetry | the vertical line through the vertex
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| factoring | finding an equivalent expression to an expression that is a product of expressions
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| greatest common factor | the product of scaler factoring
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| prime solution | solution is not factorable
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| primary and secondary root | primary = positive root from solution of radical
secondary = negative root from solution of radical
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| imaginary unit | i
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| square root property | take square root of both sides of equation after squared variable is isolated
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| 4 methods to solve quadratic equations | 1) table of values
2) factoring
3) completing the square
4) quadratic formula
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| Quadratic Function | A function of the form y = ax 2 + bx + c , where a≠ 0 , and a , b , and c are real numbers.
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| Standard Form | a, b and c are known values. a can't be 0.
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| complex solutions | When the Discriminant (the value b2 - 4ac) is negative we get Complex solutions ... what does that mean?
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| Plus/Minus | ±
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| zeros | They are also called "roots", or sometimes???
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| Quadratic Formula | x = [ -b ± √(b2-4ac) ] / 2a
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| Completing the Square | is a technique used to solve quadratic equations, graph quadratic functions, and evaluate integrals. This technique can be used when factoring a quadratic equation does not work or to find irrational and complex roots.
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| square root property | is one method that is used to find the solutions to a quadratic (second degree) equation. This method involves taking the square roots of both sides of the equation. .
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Created by:
christian cook
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