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# Algebra 2 Ch. 6

### Ch. 6

Question | Answer |
---|---|

Quadratic equation | a^2 + bx + c =0 also known as standard form of a quadratic. |

Rational Number | A number that can be written in the form a/b, where a and b integers and b cannot equal zero. |

Irrational Number | A number that is a real number that cannot be written as a simple fraction. |

Axis of Symmetry | The line with equation x = h is the line of symmetry of a parabola. Basically the x value in the vertex of a parabola. |

Newton's Formula | h = -1/2gt^2 + vt + h where h = height g = gravity t = time v = initial velocity and the last h = initial height. |

Perfect-Square Trinomial | The trinomial x^2 + 2hx + h^2 is called a perfect square trinomial. |

Quadratic Formula | x = negative b plus or minus the square root of b squared minus 2 ac all over 2a. |

Imaginary Unit | i = the square root of -1. The number i is the imaginary unit. |

Complex Number | A complex number is a number of the for a + bi. |

Created by:
Nickp2396