# Solving Quadratics: Question Preview (ID: 24764)

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Solve x^2 + 4x – 32 = 0 |
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a) -8, -4 | b) 8, 4 | c) -8, 4 | d) 8, -4 | |

Solve x^2 + 6x - 15 = -8 by completing the square. |
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a) -7, -1 | b) 7, 1 | c) 7, -1 | d) -7, 1 | |

A rocket is shot into the air with an initial velocity of 800 m/sec. The equation h = -16t2 + 1440t models the height of the ball. How long does it take for the rocket to hit the ground (h=0)? |
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a) 16 seconds | b) 90 seconds | c) 800 seconds | d) 1440 seconds | |

What is a quadratic equation? |
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a) An equation that has four terms | b) An equation that has degree 4 | c) An equation that has two terms | d) An equation that has degree 2 | |

Write a quadratic equation in the form ax^2 + bx + c = 0 that has the given numbers as solutions: (5, -3) |
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a) x^2 - 2x - 15 = 0 | b) x^2 - 15x - 2 = 0 | c) x^2 + 2x - 15 = 0 | d) x^2 - 15x + 2 = 0 | |

Solve the equation by factoring: x^2 + 9x + 20 = 0 |
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a) 4, 5 | b) -5, -4 | c) 9, 20 | d) -4, 5 | |

Use the square root property to find all real solutions to the equation: (x - 14)^2 = 36 |
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a) (20) | b) (8, 20) | c) (-8, -20) | d) (-22) | |

Find the real solutions by completing the square: z^2 + 12z + 21 = 0 |
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a) -12 ±√( 15) | b) -6 ± √(15) | c) 6 ± √(15) | d) 6 ± √(15) | |

Use the quadratic formula to solve the equation: 8y^2 + 22y + 15 = 0 |
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a) (- 3/8), (- 1/3) | b) (3/2), (-5/4) | c) (3/2), (5/4) | d) (-3/2), (-5/4) | |

Solve the equation by any method: 6x^2 + 21x - 12 = 0 |
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a) (1/2), -4 | b) (-1/2), 4 | c) 3, -4 | d) -2, 4 | |

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