(x + 2)2 + (y - l)2 - 16 center ( , ) radius 4 8. (x - l)2 + (y - 3)2 center ( , ) radius 9. To find the center and radius of x^ + 6x + y^ - 4y = -4, we must the square. Work as follows. (x2 + 6x + ) + (y2 - 4y + ) = -4 + + (Remember: take the coefficient of x oranbsp;...

Title | : | Algebra for College Students Study Guide |

Author | : | Lial |

Publisher | : | Addison Wesley Publishing Company - 1998-03-06 |

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